DDC_Summary/
|-- 000-Computer science, information & general works
|   |-- 000-Computer science, knowledge & systems
|   |   |-- 000-Computer science, information & general works
|   |   |-- 001-Knowledge
|   |   |-- 002-The book
|   |   |-- 003-Systems
|   |   |-- 004-Data processing & computer science
|   |   |-- 005-Computer programming, programs & data
|   |   |-- 006-Special computer methods
|   |   |-- 007-[Unassigned]
|   |   |-- 008-[Unassigned]
|   |   `-- 009-[Unassigned]
|   |-- 010-Bibliographies
|   |   |-- 010-Bibliography
|   |   |-- 011-Bibliographies
|   |   |-- 012-Bibliographies of individuals
|   |   |-- 013-[Unassigned]
|   |   |-- 014-Of anonymous & pseudonymous works
|   |   |-- 015-Bibliographies of works from specific places
|   |   |-- 016-Bibliographies of works on specific subjects
|   |   |-- 017-General subject catalogs
|   |   |-- 018-Catalogs arranged by author, date, etc.
|   |   `-- 019-Dictionary catalogs
|   |-- 020-Library & information sciences
|   |   |-- 020-Library & information sciences
|   |   |-- 021-Library relationships
|   |   |-- 022-Administration of physical plant
|   |   |-- 023-Personnel management
|   |   |-- 024-[Unassigned]
|   |   |-- 025-Library operations
|   |   |-- 026-Libraries for specific subjects
|   |   |-- 027-General libraries
|   |   |-- 028-Reading & use of other information media
|   |   `-- 029-[Unassigned]
|   |-- 030-Encyclopedias & books of facts
|   |   |-- 030-General encyclopedic works
|   |   |-- 031-Encyclopedias in American English
|   |   |-- 032-Encyclopedias in English
|   |   |-- 033-In other Germanic languages
|   |   |-- 034-Encyclopedias in French, Occitan & Catalan
|   |   |-- 035-In Italian, Romanian & related languages
|   |   |-- 036-Encyclopedias in Spanish & Portuguese
|   |   |-- 037-Encyclopedias in Slavic languages
|   |   |-- 038-Encyclopedias in Scandinavian languages
|   |   `-- 039-Encyclopedias in other languages
|   |-- 040-[Unassigned]
|   |   |-- 040-[Unassigned]
|   |   |-- 041-[Unassigned]
|   |   |-- 042-[Unassigned]
|   |   |-- 043-[Unassigned]
|   |   |-- 044-[Unassigned]
|   |   |-- 045-[Unassigned]
|   |   |-- 046-[Unassigned]
|   |   |-- 047-[Unassigned]
|   |   |-- 048-[Unassigned]
|   |   `-- 049-[Unassigned]
|   |-- 050-Magazines, journals & serials
|   |   |-- 050-General serial publications
|   |   |-- 051-Serials in American English
|   |   |-- 052-Serials in English
|   |   |-- 053-Serials in other Germanic languages
|   |   |-- 054-Serials in French, Occitan & Catalan
|   |   |-- 055-In Italian, Romanian & related languages
|   |   |-- 056-Serials in Spanish & Portuguese
|   |   |-- 057-Serials in Slavic languages
|   |   |-- 058-Serials in Scandinavian languages
|   |   `-- 059-Serials in other languages
|   |-- 060-Associations, organizations & museums
|   |   |-- 060-General organizations & museum science
|   |   |-- 061-Organizations in North America
|   |   |-- 062-Organizations in British Isles; in England
|   |   |-- 063-Organizations in central Europe; in Germany
|   |   |-- 064-Organizations in France & Monaco
|   |   |-- 065-Organizations in Italy & adjacent islands
|   |   |-- 066-In Iberian Peninsula & adjacent islands
|   |   |-- 067-Organizations in eastern Europe; in Russia
|   |   |-- 068-Organizations in other geographic areas
|   |   `-- 069-Museum science
|   |-- 070-News media, journalism & publishing
|   |   |-- 070-News media, journalism & publishing
|   |   |-- 071-Newspapers in North America
|   |   |-- 072-Newspapers in British Isles; in England
|   |   |-- 073-Newspapers in central Europe; in Germany
|   |   |-- 074-Newspapers in France & Monaco
|   |   |-- 075-Newspapers in Italy & adjacent islands
|   |   |-- 076-In Iberian Peninsula & adjacent islands
|   |   |-- 077-Newspapers in eastern Europe; in Russia
|   |   |-- 078-Newspapers in Scandinavia
|   |   `-- 079-Newspapers in other geographic areas
|   |-- 080-Quotations
|   |   |-- 080-General collections
|   |   |-- 081-Collections in American English
|   |   |-- 082-Collections in English
|   |   |-- 083-Collections in other Germanic languages
|   |   |-- 084-Collections in French, Occitan & Catalan
|   |   |-- 085-In Italian, Romanian & related languages
|   |   |-- 086-Collections in Spanish & Portuguese
|   |   |-- 087-Collections in Slavic languages
|   |   |-- 088-Collections in Scandinavian languages
|   |   `-- 089-Collections in other languages
|   `-- 090-Manuscripts & rare books
|       |-- 090-Manuscripts & rare books
|       |-- 091-Manuscripts
|       |-- 092-Block books
|       |-- 093-Incunabula
|       |-- 094-Printed books
|       |-- 095-Books notable for bindings
|       |-- 096-Books notable for illustrations
|       |-- 097-Books notable for ownership or origin
|       |-- 098-Prohibited works, forgeries & hoaxes
|       `-- 099-Books notable for format
|-- 100-Philosophy & psychology
|   |-- 100-Philosophy
|   |   |-- 100-Philosophy & psychology
|   |   |-- 101-Theory of philosophy
|   |   |-- 102-Miscellany
|   |   |-- 103-Dictionaries & encyclopedias
|   |   |-- 104-[Unassigned]
|   |   |-- 105-Serial publications
|   |   |-- 106-Organizations & management
|   |   |-- 107-Education, research & related topics
|   |   |-- 108-Kinds of persons treatment
|   |   `-- 109-Historical & collected persons treatment
|   |-- 110-Metaphysics
|   |   |-- 110-Metaphysics
|   |   |-- 111-Ontology
|   |   |-- 112-[Unassigned]
|   |   |-- 113-Cosmology
|   |   |-- 114-Space
|   |   |-- 115-Time
|   |   |-- 116-Change
|   |   |-- 117-Structure
|   |   |-- 118-Force & energy
|   |   `-- 119-Number & quantity
|   |-- 120-Epistemology
|   |   |-- 120-Epistemology, causation & humankind
|   |   |-- 121-Epistemology
|   |   |-- 122-Causation
|   |   |-- 123-Determinism & indeterminism
|   |   |-- 124-Teleology
|   |   |-- 125-[Unassigned]
|   |   |-- 126-The self
|   |   |-- 127-The unconscious & the subconscious
|   |   |-- 128-Humankind
|   |   `-- 129-Origin & destiny of individual souls
|   |-- 130-Parapsychology & occultism
|   |   |-- 130-Parapsychology & occultism
|   |   |-- 131-Parapsychological & occult methods
|   |   |-- 132-[Unassigned]
|   |   |-- 133-Specific topics in parapsychology & occultism
|   |   |-- 134-[Unassigned]
|   |   |-- 135-Dreams & mysteries
|   |   |-- 136-[Unassigned]
|   |   |-- 137-Divinatory graphology
|   |   |-- 138-Physiognomy
|   |   `-- 139-Phrenology
|   |-- 140-Philosophical schools of thought
|   |   |-- 140-Specific philosophical schools
|   |   |-- 141-Idealism & related systems
|   |   |-- 142-Critical philosophy
|   |   |-- 143-Bergsonism & intuitionism
|   |   |-- 144-Humanism & related systems
|   |   |-- 145-Sensationalism
|   |   |-- 146-Naturalism & related systems
|   |   |-- 147-Pantheism & related systems
|   |   |-- 148-Eclecticism, liberalism & traditionalism
|   |   `-- 149-Other philosophical systems
|   |-- 150-Psychology
|   |   |-- 150-Psychology
|   |   |-- 151-[Unassigned]
|   |   |-- 152-Perception, movement, emotions & drives
|   |   |-- 153-Mental processes & intelligence
|   |   |-- 154-Subconscious & altered states
|   |   |-- 155-Differential & developmental psychology
|   |   |-- 156-Comparative psychology
|   |   |-- 157-[Unassigned]
|   |   |-- 158-Applied psychology
|   |   `-- 159-[Unassigned]
|   |-- 160-Logic
|   |   |-- 160-Logic
|   |   |-- 161-Induction
|   |   |-- 162-Deduction
|   |   |-- 163-[Unassigned]
|   |   |-- 164-[Unassigned]
|   |   |-- 165-Fallacies & sources of error
|   |   |-- 166-Syllogisms
|   |   |-- 167-Hypotheses
|   |   |-- 168-Argument & persuasion
|   |   `-- 169-Analogy
|   |-- 170-Ethics
|   |   |-- 170-Ethics
|   |   |-- 171-Ethical systems
|   |   |-- 172-Political ethics
|   |   |-- 173-Ethics of family relationships
|   |   |-- 174-Occupational ethics
|   |   |-- 175-Ethics of recreation & leisure
|   |   |-- 176-Ethics of sex & reproduction
|   |   |-- 177-Ethics of social relations
|   |   |-- 178-Ethics of consumption
|   |   `-- 179-Other ethical norms
|   |-- 180-Ancient, medieval & eastern philosophy
|   |   |-- 180-Ancient, medieval & eastern philosophy
|   |   |-- 181-Eastern philosophy
|   |   |-- 182-Pre
|   |   |-- 183-Socratic & related philosophies
|   |   |-- 184-Platonic philosophy
|   |   |-- 185-Aristotelian philosophy
|   |   |-- 186-Skeptic & Neoplatonic philosophies
|   |   |-- 187-Epicurean philosophy
|   |   |-- 188-Stoic philosophy
|   |   `-- 189-Medieval western philosophy
|   `-- 190-Modern western philosophy
|       |-- 190-Modern western philosophy
|       |-- 191-Philosophy of United States & Canada
|       |-- 192-Philosophy of British Isles
|       |-- 193-Philosophy of Germany & Austria
|       |-- 194-Philosophy of France
|       |-- 195-Philosophy of Italy
|       |-- 196-Philosophy of Spain & Portugal
|       |-- 197-Philosophy of former Soviet Union
|       |-- 198-Philosophy of Scandinavia
|       `-- 199-Philosophy in other geographic areas
|-- 200-Religion
|   |-- 200-Religion
|   |   |-- 200-Religion
|   |   |-- 201-Religious mythology & social theology
|   |   |-- 202-Doctrines
|   |   |-- 203-Public worship & other practices
|   |   |-- 204-Religious experience, life & practice
|   |   |-- 205-Religious ethics
|   |   |-- 206-Leaders & organization
|   |   |-- 207-Missions & religious education
|   |   |-- 208-Sources
|   |   `-- 209-Sects & reform movements
|   |-- 210-Philosophy & theory of religion
|   |   |-- 210-Philosophy & theory of religion
|   |   |-- 211-Concepts of God
|   |   |-- 212-Existence, knowability & attributes of God
|   |   |-- 213-Creation
|   |   |-- 214-Theodicy
|   |   |-- 215-Science & religion
|   |   |-- 216-[Unassigned]
|   |   |-- 217-[Unassigned]
|   |   |-- 218-Humankind
|   |   `-- 219-[Unassigned]
|   |-- 220-The Bible
|   |   |-- 220-Bible
|   |   |-- 221-Old Testament (Tanakh)
|   |   |-- 222-Historical books of Old Testament
|   |   |-- 223-Poetic books of Old Testament
|   |   |-- 224-Prophetic books of Old Testament
|   |   |-- 225-New Testament
|   |   |-- 226-Gospels & Acts
|   |   |-- 227-Epistles
|   |   |-- 228-Revelation (Apocalypse)
|   |   `-- 229-Apocrypha & pseudepigrapha
|   |-- 230-Christianity & Christian theology
|   |   |-- 230-Christianity & Christian theology
|   |   |-- 231-God
|   |   |-- 232-Jesus Christ & his family
|   |   |-- 233-Humankind
|   |   |-- 234-Salvation & grace
|   |   |-- 235-Spiritual beings
|   |   |-- 236-Eschatology
|   |   |-- 237-[Unassigned]
|   |   |-- 238-Creeds & catechisms
|   |   `-- 239-Apologetics & polemics
|   |-- 240-Christian practice & observance
|   |   |-- 240-Christian moral & devotional theology
|   |   |-- 241-Christian ethics
|   |   |-- 242-Devotional literature
|   |   |-- 243-Evangelistic writings for individuals
|   |   |-- 244-[Unassigned]
|   |   |-- 245-[Unassigned]
|   |   |-- 246-Use of art in Christianity
|   |   |-- 247-Church furnishings & articles
|   |   |-- 248-Christian experience, practice & life
|   |   `-- 249-Christian observances in family life
|   |-- 250-Christian pastoral practice & religious orders
|   |   |-- 250-Christian orders & local church
|   |   |-- 251-Preaching
|   |   |-- 252-Texts of sermons
|   |   |-- 253-Pastoral office & work
|   |   |-- 254-Parish administration
|   |   |-- 255-Religious congregations & orders
|   |   |-- 256-[Unassigned]
|   |   |-- 257-[Unassigned]
|   |   |-- 258-[Unassigned]
|   |   `-- 259-Pastoral care of families & kinds of persons
|   |-- 260-Christian organization, social work & worship
|   |   |-- 260-Social & ecclesiastical theology
|   |   |-- 261-Social theology
|   |   |-- 262-Ecclesiology
|   |   |-- 263-Days, times & places of observance
|   |   |-- 264-Public worship
|   |   |-- 265-Sacraments, other rites & acts
|   |   |-- 266-Missions
|   |   |-- 267-Associations for religious work
|   |   |-- 268-Religious education
|   |   `-- 269-Spiritual renewal
|   |-- 270-History of Christianity
|   |   |-- 270-History of Christianity & Christian church
|   |   |-- 271-Religious orders in church history
|   |   |-- 272-Persecutions in church history
|   |   |-- 273-Doctrinal controversies & heresies
|   |   |-- 274-History of Christianity in Europe
|   |   |-- 275-History of Christianity in Asia
|   |   |-- 276-History of Christianity in Africa
|   |   |-- 277-History of Christianity in North America
|   |   |-- 278-History of Christianity in South America
|   |   `-- 279-History of Christianity in other areas
|   |-- 280-Christian denominations
|   |   |-- 280-Christian denominations & sects
|   |   |-- 281-Early church & Eastern churches
|   |   |-- 282-Roman Catholic Church
|   |   |-- 283-Anglican churches
|   |   |-- 284-Protestants of Continental origin
|   |   |-- 285-Presbyterian, Reformed & Congregational
|   |   |-- 286-Baptist, Disciples of Christ & Adventist
|   |   |-- 287-Methodist & related churches
|   |   |-- 288-[Unassigned]
|   |   `-- 289-Other denominations & sects
|   `-- 290-Other religions
|       |-- 290-Other religions
|       |-- 291-[Unassigned]
|       |-- 292-Greek & Roman religion
|       |-- 293-Germanic religion
|       |-- 294-Religions of Indic origin
|       |-- 295-Zoroastrianism
|       |-- 296-Judaism
|       |-- 297-Islam, Babism & Bahai Faith
|       |-- 298-(Optional number)
|       `-- 299-Religions not provided for elsewhere
|-- 300-Social sciences
|   |-- 300-Social sciences, sociology & anthropology
|   |   |-- 300-Social sciences
|   |   |-- 301-Sociology & anthropology
|   |   |-- 302-Social interaction
|   |   |-- 303-Social processes
|   |   |-- 304-Factors affecting social behavior
|   |   |-- 305-Social groups
|   |   |-- 306-Culture & institutions
|   |   |-- 307-Communities
|   |   |-- 308-[Unassigned]
|   |   `-- 309-[Unassigned]
|   |-- 310-Statistics
|   |   |-- 310-Collections of general statistics
|   |   |-- 311-[Unassigned]
|   |   |-- 312-[Unassigned]
|   |   |-- 313-[Unassigned]
|   |   |-- 314-General statistics of Europe
|   |   |-- 315-General statistics of Asia
|   |   |-- 316-General statistics of Africa
|   |   |-- 317-General statistics of North America
|   |   |-- 318-General statistics of South America
|   |   `-- 319-General statistics of other areas
|   |-- 320-Political science
|   |   |-- 320-Political science
|   |   |-- 321-Systems of governments & states
|   |   |-- 322-Relation of state to organized groups
|   |   |-- 323-Civil & political rights
|   |   |-- 324-The political process
|   |   |-- 325-International migration & colonization
|   |   |-- 326-Slavery & emancipation
|   |   |-- 327-International relations
|   |   |-- 328-The legislative process
|   |   `-- 329-[Unassigned]
|   |-- 330-Economics
|   |   |-- 330-Economics
|   |   |-- 331-Labor economics
|   |   |-- 332-Financial economics
|   |   |-- 333-Economics of land & energy
|   |   |-- 334-Cooperatives
|   |   |-- 335-Socialism & related systems
|   |   |-- 336-Public finance
|   |   |-- 337-International economics
|   |   |-- 338-Production
|   |   `-- 339-Macroeconomics & related topics
|   |-- 340-Law
|   |   |-- 340-Law
|   |   |-- 341-Law of nations
|   |   |-- 342-Constitutional & administrative law
|   |   |-- 343-Military, tax, trade & industrial law
|   |   |-- 344-Labor, social, education & cultural law
|   |   |-- 345-Criminal law
|   |   |-- 346-Private law
|   |   |-- 347-Civil procedure & courts
|   |   |-- 348-Laws, regulations & cases
|   |   `-- 349-Law of specific jurisdictions & areas
|   |-- 350-Public administration & military science
|   |   |-- 350-Public administration & military science
|   |   |-- 351-Public administration
|   |   |-- 352-General considerations of public administration
|   |   |-- 353-Specific fields of public administration
|   |   |-- 354-Administration of economy & environment
|   |   |-- 355-Military science
|   |   |-- 356-Infantry forces & warfare
|   |   |-- 357-Mounted forces & warfare
|   |   |-- 358-Air & other specialized forces
|   |   `-- 359-Sea forces & warfare
|   |-- 360-Social problems & social services
|   |   |-- 360-Social problems & services; associations
|   |   |-- 361-Social problems & social welfare in general
|   |   |-- 362-Social welfare problems & services
|   |   |-- 363-Other social problems & services
|   |   |-- 364-Criminology
|   |   |-- 365-Penal & related institutions
|   |   |-- 366-Associations
|   |   |-- 367-General clubs
|   |   |-- 368-Insurance
|   |   `-- 369-Miscellaneous kinds of associations
|   |-- 370-Education
|   |   |-- 370-Education
|   |   |-- 371-Schools & their activities; special education
|   |   |-- 372-Elementary education
|   |   |-- 373-Secondary education
|   |   |-- 374-Adult education
|   |   |-- 375-Curricula
|   |   |-- 376-[Unassigned]
|   |   |-- 377-[Unassigned]
|   |   |-- 378-Higher education
|   |   `-- 379-Public policy issues in education
|   |-- 380-Commerce, communications & transportation
|   |   |-- 380-Commerce, communications & transportation
|   |   |-- 381-Commerce
|   |   |-- 382-International commerce
|   |   |-- 383-Postal communication
|   |   |-- 384-Communications; telecommunication
|   |   |-- 385-Railroad transportation
|   |   |-- 386-Inland waterway & ferry transportation
|   |   |-- 387-Water, air & space transportation
|   |   |-- 388-Transportation; ground transportation
|   |   `-- 389-Metrology & standardization
|   `-- 390-Customs, etiquette & folklore
|       |-- 390-Customs, etiquette & folklore
|       |-- 391-Costume & personal appearance
|       |-- 392-Customs of life cycle & domestic life
|       |-- 393-Death customs
|       |-- 394-General customs
|       |-- 395-Etiquette (Manners)
|       |-- 396-[Unassigned]
|       |-- 397-[Unassigned]
|       |-- 398-Folklore
|       `-- 399-Customs of war & diplomacy
|-- 400-Language
|   |-- 400-Language
|   |   |-- 400-Language
|   |   |-- 401-Philosophy & theory
|   |   |-- 402-Miscellany
|   |   |-- 403-Dictionaries & encyclopedias
|   |   |-- 404-Special topics
|   |   |-- 405-Serial publications
|   |   |-- 406-Organizations & management
|   |   |-- 407-Education, research & related topics
|   |   |-- 408-Kinds of persons treatment
|   |   `-- 409-Geographic & persons treatment
|   |-- 410-Linguistics
|   |   |-- 410-Linguistics
|   |   |-- 411-Writing systems
|   |   |-- 412-Etymology
|   |   |-- 413-Dictionaries
|   |   |-- 414-Phonology & phonetics
|   |   |-- 415-Grammar
|   |   |-- 416-[Unassigned]
|   |   |-- 417-Dialectology & historical linguistics
|   |   |-- 418-Standard usage & applied linguistics
|   |   `-- 419-Sign languages
|   |-- 420-English & Old English languages
|   |   |-- 420-English & Old English
|   |   |-- 421-English writing system & phonology
|   |   |-- 422-English etymology
|   |   |-- 423-English dictionaries
|   |   |-- 424-[Unassigned]
|   |   |-- 425-English grammar
|   |   |-- 426-[Unassigned]
|   |   |-- 427-English language variations
|   |   |-- 428-Standard English usage
|   |   `-- 429-Old English (Anglo
|   |-- 430-German & related languages
|   |   |-- 430-Germanic languages; German
|   |   |-- 431-German writing systems & phonology
|   |   |-- 432-German etymology
|   |   |-- 433-German dictionaries
|   |   |-- 434-[Unassigned]
|   |   |-- 435-German grammar
|   |   |-- 436-[Unassigned]
|   |   |-- 437-German language variations
|   |   |-- 438-Standard German usage
|   |   `-- 439-Other Germanic languages
|   |-- 440-French & related languages
|   |   |-- 440-Romance languages; French
|   |   |-- 441-French writing systems & phonology
|   |   |-- 442-French etymology
|   |   |-- 443-French dictionaries
|   |   |-- 444-[Unassigned]
|   |   |-- 445-French grammar
|   |   |-- 446-[Unassigned]
|   |   |-- 447-French language variations
|   |   |-- 448-Standard French usage
|   |   `-- 449-Occitan & Catalan
|   |-- 450-Italian, Romanian & related languages
|   |   |-- 450-Italian, Romanian & related languages
|   |   |-- 451-Italian writing systems & phonology
|   |   |-- 452-Italian etymology
|   |   |-- 453-Italian dictionaries
|   |   |-- 454-[Unassigned]
|   |   |-- 455-Italian grammar
|   |   |-- 456-[Unassigned]
|   |   |-- 457-Italian language variations
|   |   |-- 458-Standard Italian usage
|   |   `-- 459-Romanian & related languages
|   |-- 460-Spanish & Portuguese languages
|   |   |-- 460-Spanish & Portuguese languages
|   |   |-- 461-Spanish writing systems & phonology
|   |   |-- 462-Spanish etymology
|   |   |-- 463-Spanish dictionaries
|   |   |-- 464-[Unassigned]
|   |   |-- 465-Spanish grammar
|   |   |-- 466-[Unassigned]
|   |   |-- 467-Spanish language variations
|   |   |-- 468-Standard Spanish usage
|   |   `-- 469-Portuguese
|   |-- 470-Latin & Italic languages
|   |   |-- 470-Italic languages; Latin
|   |   |-- 471-Classical Latin writing & phonology
|   |   |-- 472-Classical Latin etymology
|   |   |-- 473-Classical Latin dictionaries
|   |   |-- 474-[Unassigned]
|   |   |-- 475-Classical Latin grammar
|   |   |-- 476-[Unassigned]
|   |   |-- 477-Old, postclassical & Vulgar Latin
|   |   |-- 478-Classical Latin usage
|   |   `-- 479-Other Italic languages
|   |-- 480-Classical & modern Greek languages
|   |   |-- 480-Hellenic languages; classical Greek
|   |   |-- 481-Classical Greek writing & phonology
|   |   |-- 482-Classical Greek etymology
|   |   |-- 483-Classical Greek dictionaries
|   |   |-- 484-[Unassigned]
|   |   |-- 485-Classical Greek grammar
|   |   |-- 486-[Unassigned]
|   |   |-- 487-Preclassical & postclassical Greek
|   |   |-- 488-Classical Greek usage
|   |   `-- 489-Other Hellenic languages
|   `-- 490-Other languages
|       |-- 490-Other languages
|       |-- 491-East Indo
|       |-- 492-Afro
|       |-- 493-Non
|       |-- 494-Altaic, Uralic, Hyperborean & Dravidian
|       |-- 495-Languages of East & Southeast Asia
|       |-- 496-African languages
|       |-- 497-North American native languages
|       |-- 498-South American native languages
|       `-- 499-Austronesian & other languages
|-- 500-Science
|   |-- 500-Science
|   |   |-- 500-Natural sciences & mathematics
|   |   |-- 501-Philosophy & theory
|   |   |-- 502-Miscellany
|   |   |-- 503-Dictionaries & encyclopedias
|   |   |-- 504-[Unassigned]
|   |   |-- 505-Serial publications
|   |   |-- 506-Organizations & management
|   |   |-- 507-Education, research & related topics
|   |   |-- 508-Natural history
|   |   `-- 509-Historical, geographic & persons treatment
|   |-- 510-Mathematics
|   |   |-- 510-Mathematics
|   |   |-- 511-General principles of mathematics
|   |   |-- 512-Algebra
|   |   |-- 513-Arithmetic
|   |   |-- 514-Topology
|   |   |-- 515-Analysis
|   |   |-- 516-Geometry
|   |   |-- 517-[Unassigned]
|   |   |-- 518-Numerical analysis
|   |   `-- 519-Probabilities & applied mathematics
|   |-- 520-Astronomy
|   |   |-- 520-Astronomy & allied sciences
|   |   |-- 521-Celestial mechanics
|   |   |-- 522-Techniques, equipment & materials
|   |   |-- 523-Specific celestial bodies & phenomena
|   |   |-- 524-[Unassigned]
|   |   |-- 525-Earth (Astronomical geography)
|   |   |-- 526-Mathematical geography
|   |   |-- 527-Celestial navigation
|   |   |-- 528-Ephemerides
|   |   `-- 529-Chronology
|   |-- 530-Physics
|   |   |-- 530-Physics
|   |   |-- 531-Classical mechanics; solid mechanics
|   |   |-- 532-Fluid mechanics; liquid mechanics
|   |   |-- 533-Gas mechanics
|   |   |-- 534-Sound & related vibrations
|   |   |-- 535-Light & infrared & ultraviolet phenomena
|   |   |-- 536-Heat
|   |   |-- 537-Electricity & electronics
|   |   |-- 538-Magnetism
|   |   `-- 539-Modern physics
|   |-- 540-Chemistry
|   |   |-- 540-Chemistry & allied sciences
|   |   |-- 541-Physical chemistry
|   |   |-- 542-Techniques, equipment & materials
|   |   |-- 543-Analytical chemistry
|   |   |-- 544-[Unassigned]
|   |   |-- 545-[Unassigned]
|   |   |-- 546-Inorganic chemistry
|   |   |-- 547-Organic chemistry
|   |   |-- 548-Crystallography
|   |   `-- 549-Mineralogy
|   |-- 550-Earth sciences & geology
|   |   |-- 550-Earth sciences
|   |   |-- 551-Geology, hydrology & meteorology
|   |   |-- 552-Petrology
|   |   |-- 553-Economic geology
|   |   |-- 554-Earth sciences of Europe
|   |   |-- 555-Earth sciences of Asia
|   |   |-- 556-Earth sciences of Africa
|   |   |-- 557-Earth sciences of North America
|   |   |-- 558-Earth sciences of South America
|   |   `-- 559-Earth sciences of other areas
|   |-- 560-Fossils & prehistoric life
|   |   |-- 560-Paleontology; paleozoology
|   |   |-- 561-Paleobotany; fossil microorganisms
|   |   |-- 562-Fossil invertebrates
|   |   |-- 563-Fossil marine & seashore invertebrates
|   |   |-- 564-Fossil mollusks & molluscoids
|   |   |-- 565-Fossil arthropods
|   |   |-- 566-Fossil chordates
|   |   |-- 567-Fossil cold
|   |   |-- 568-Fossil birds
|   |   `-- 569-Fossil mammals
|   |-- 570-Life sciences; biology
|   |   |-- 570-Life sciences; biology
|   |   |-- 571-Physiology & related subjects
|   |   |-- 572-Biochemistry
|   |   |-- 573-Specific physiological systems in animals
|   |   |-- 574-[Unassigned]
|   |   |-- 575-Specific parts of & systems in plants
|   |   |-- 576-Genetics & evolution
|   |   |-- 577-Ecology
|   |   |-- 578-Natural history of organisms
|   |   `-- 579-Microorganisms, fungi & algae
|   |-- 580-Plants (Botany)
|   |   |-- 580-Plants (Botany)
|   |   |-- 581-Specific topics in natural history
|   |   |-- 582-Plants noted for characteristics & flowers
|   |   |-- 583-Dicotyledons
|   |   |-- 584-Monocotyledons
|   |   |-- 585-Gymnosperms; conifers
|   |   |-- 586-Seedless plants
|   |   |-- 587-Vascular seedless plants
|   |   |-- 588-Bryophytes
|   |   `-- 589-[Unassigned]
|   `-- 590-Animals (Zoology)
|       |-- 590-Animals (Zoology)
|       |-- 591-Specific topics in natural history
|       |-- 592-Invertebrates
|       |-- 593-Marine & seashore invertebrates
|       |-- 594-Mollusks & molluscoids
|       |-- 595-Arthropods
|       |-- 596-Chordates
|       |-- 597-Cold
|       |-- 598-Birds
|       `-- 599-Mammals
|-- 600-Technology
|   |-- 600-Technology
|   |   |-- 600-Technology
|   |   |-- 601-Philosophy & theory
|   |   |-- 602-Miscellany
|   |   |-- 603-Dictionaries & encyclopedias
|   |   |-- 604-Special topics
|   |   |-- 605-Serial publications
|   |   |-- 606-Organizations
|   |   |-- 607-Education, research & related topics
|   |   |-- 608-Inventions & patents
|   |   `-- 609-Historical, geographic & persons treatment
|   |-- 610-Medicine & health
|   |   |-- 610-Medicine & health
|   |   |-- 611-Human anatomy, cytology & histology
|   |   |-- 612-Human physiology
|   |   |-- 613-Personal health & safety
|   |   |-- 614-Incidence & prevention of disease
|   |   |-- 615-Pharmacology & therapeutics
|   |   |-- 616-Diseases
|   |   |-- 617-Surgery & related medical specialties
|   |   |-- 618-Gynecology, obstetrics, pediatrics & geriatrics
|   |   `-- 619-[Unassigned]
|   |-- 620-Engineering
|   |   |-- 620-Engineering & allied operations
|   |   |-- 621-Applied physics
|   |   |-- 622-Mining & related operations
|   |   |-- 623-Military & nautical engineering
|   |   |-- 624-Civil engineering
|   |   |-- 625-Engineering of railroads & roads
|   |   |-- 626-[Unassigned]
|   |   |-- 627-Hydraulic engineering
|   |   |-- 628-Sanitary & municipal engineering
|   |   `-- 629-Other branches of engineering
|   |-- 630-Agriculture
|   |   |-- 630-Agriculture & related technologies
|   |   |-- 631-Techniques, equipment & materials
|   |   |-- 632-Plant injuries, diseases & pests
|   |   |-- 633-Field & plantation crops
|   |   |-- 634-Orchards, fruits & forestry
|   |   |-- 635-Garden crops (Horticulture)
|   |   |-- 636-Animal husbandry
|   |   |-- 637-Processing dairy & related products
|   |   |-- 638-Insect culture
|   |   `-- 639-Hunting, fishing & conservation
|   |-- 640-Home & family management
|   |   |-- 640-Home & family management
|   |   |-- 641-Food & drink
|   |   |-- 642-Meals & table service
|   |   |-- 643-Housing & household equipment
|   |   |-- 644-Household utilities
|   |   |-- 645-Household furnishings
|   |   |-- 646-Sewing, clothing & personal living
|   |   |-- 647-Management of public households
|   |   |-- 648-Housekeeping
|   |   `-- 649-Child rearing & home care of persons
|   |-- 650-Management & public relations
|   |   |-- 650-Management & auxiliary services
|   |   |-- 651-Office services
|   |   |-- 652-Processes of written communication
|   |   |-- 653-Shorthand
|   |   |-- 654-[Unassigned]
|   |   |-- 655-[Unassigned]
|   |   |-- 656-[Unassigned]
|   |   |-- 657-Accounting
|   |   |-- 658-General management
|   |   `-- 659-Advertising & public relations
|   |-- 660-Chemical engineering
|   |   |-- 660-Chemical engineering
|   |   |-- 661-Industrial chemicals
|   |   |-- 662-Explosives, fuels & related products
|   |   |-- 663-Beverage technology
|   |   |-- 664-Food technology
|   |   |-- 665-Industrial oils, fats, waxes & gases
|   |   |-- 666-Ceramic & allied technologies
|   |   |-- 667-Cleaning, color & coating technologies
|   |   |-- 668-Technology of other organic products
|   |   `-- 669-Metallurgy
|   |-- 670-Manufacturing
|   |   |-- 670-Manufacturing
|   |   |-- 671-Metalworking & primary metal products
|   |   |-- 672-Iron, steel & other iron alloys
|   |   |-- 673-Nonferrous metals
|   |   |-- 674-Lumber processing, wood products & cork
|   |   |-- 675-Leather & fur processing
|   |   |-- 676-Pulp & paper technology
|   |   |-- 677-Textiles
|   |   |-- 678-Elastomers & elastomer products
|   |   `-- 679-Other products of specific materials
|   |-- 680-Manufacture for specific uses
|   |   |-- 680-Manufacture for specific uses
|   |   |-- 681-Precision instruments & other devices
|   |   |-- 682-Small forge work (Blacksmithing)
|   |   |-- 683-Hardware & household appliances
|   |   |-- 684-Furnishings & home workshops
|   |   |-- 685-Leather, fur goods & related products
|   |   |-- 686-Printing & related activities
|   |   |-- 687-Clothing & accessories
|   |   |-- 688-Other final products & packaging
|   |   `-- 689-[Unassigned]
|   `-- 690-Building & construction
|       |-- 690-Buildings
|       |-- 691-Building materials
|       |-- 692-Auxiliary construction practices
|       |-- 693-Specific materials & purposes
|       |-- 694-Wood construction & carpentry
|       |-- 695-Roof covering
|       |-- 696-Utilities
|       |-- 697-Heating, ventilating & air
|       |-- 698-Detail finishing
|       `-- 699-[Unassigned]
|-- 700-Arts & recreation
|   |-- 700-Arts
|   |   |-- 700-The arts; fine & decorative arts
|   |   |-- 701-Philosophy of fine & decorative arts
|   |   |-- 702-Miscellany of fine & decorative arts
|   |   |-- 703-Dictionaries of fine & decorative arts
|   |   |-- 704-Special topics in fine & decorative arts
|   |   |-- 705-Serial publications of fine & decorative arts
|   |   |-- 706-Organizations & management
|   |   |-- 707-Education, research & related topics
|   |   |-- 708-Galleries, museums & private collections
|   |   `-- 709-Historical, geographic & persons treatment
|   |-- 710-Landscaping & area planning
|   |   |-- 710-Civic & landscape art
|   |   |-- 711-Area planning
|   |   |-- 712-Landscape architecture
|   |   |-- 713-Landscape architecture of trafficways
|   |   |-- 714-Water features
|   |   |-- 715-Woody plants
|   |   |-- 716-Herbaceous plants
|   |   |-- 717-Structures in landscape architecture
|   |   |-- 718-Landscape design of cemeteries
|   |   `-- 719-Natural landscapes
|   |-- 720-Architecture
|   |   |-- 720-Architecture
|   |   |-- 721-Architectural structure
|   |   |-- 722-Architecture to ca. 300
|   |   |-- 723-Architecture from ca. 300 to 1399
|   |   |-- 724-Architecture from 1400
|   |   |-- 725-Public structures
|   |   |-- 726-Buildings for religious purposes
|   |   |-- 727-Buildings for education & research
|   |   |-- 728-Residential & related buildings
|   |   `-- 729-Design & decoration
|   |-- 730-Sculpture, ceramics & metalwork
|   |   |-- 730-Plastic arts; sculpture
|   |   |-- 731-Processes, forms & subjects of sculpture
|   |   |-- 732-Sculpture to ca. 500
|   |   |-- 733-Greek, Etruscan & Roman sculpture
|   |   |-- 734-Sculpture from ca. 500 to 1399
|   |   |-- 735-Sculpture from 1400
|   |   |-- 736-Carving & carvings
|   |   |-- 737-Numismatics & sigillography
|   |   |-- 738-Ceramic arts
|   |   `-- 739-Art metalwork
|   |-- 740-Drawing & decorative arts
|   |   |-- 740-Drawing & decorative arts
|   |   |-- 741-Drawing & drawings
|   |   |-- 742-Perspective
|   |   |-- 743-Drawing & drawings by subject
|   |   |-- 744-[Unassigned]
|   |   |-- 745-Decorative arts
|   |   |-- 746-Textile arts
|   |   |-- 747-Interior decoration
|   |   |-- 748-Glass
|   |   `-- 749-Furniture & accessories
|   |-- 750-Painting
|   |   |-- 750-Painting & paintings
|   |   |-- 751-Techniques, equipment, materials & forms
|   |   |-- 752-Color
|   |   |-- 753-Symbolism, allegory, mythology & legend
|   |   |-- 754-Genre paintings
|   |   |-- 755-Religion
|   |   |-- 756-[Unassigned]
|   |   |-- 757-Human figures
|   |   |-- 758-Other subjects
|   |   `-- 759-Historical, geographic & persons treatment
|   |-- 760-Graphic arts
|   |   |-- 760-Graphic arts; printmaking & prints
|   |   |-- 761-Relief processes (Block printing)
|   |   |-- 762-[Unassigned]
|   |   |-- 763-Lithographic processes
|   |   |-- 764-Chromolithography & serigraphy
|   |   |-- 765-Metal engraving
|   |   |-- 766-Mezzotinting, aquatinting & related processes
|   |   |-- 767-Etching & drypoint
|   |   |-- 768-[Unassigned]
|   |   `-- 769-Prints
|   |-- 770-Photography & computer art
|   |   |-- 770-Photography, photographs & computer art
|   |   |-- 771-Techniques, equipment & materials
|   |   |-- 772-Metallic salt processes
|   |   |-- 773-Pigment processes of printing
|   |   |-- 774-Holography
|   |   |-- 775-Digital photography
|   |   |-- 776-Computer art (Digital art)
|   |   |-- 777-[Unassigned]
|   |   |-- 778-Fields & kinds of photography
|   |   `-- 779-Photographs
|   |-- 780-Music
|   |   |-- 780-Music
|   |   |-- 781-General principles & musical forms
|   |   |-- 782-Vocal music
|   |   |-- 783-Music for single voices; the voice
|   |   |-- 784-Instruments & instrumental ensembles
|   |   |-- 785-Ensembles with one instrument per part
|   |   |-- 786-Keyboard & other instruments
|   |   |-- 787-Stringed instruments
|   |   |-- 788-Wind instruments
|   |   `-- 789-(Optional number)
|   `-- 790-Sports, games & entertainment
|       |-- 790-Recreational & performing arts
|       |-- 791-Public performances
|       |-- 792-Stage presentations
|       |-- 793-Indoor games & amusements
|       |-- 794-Indoor games of skill
|       |-- 795-Games of chance
|       |-- 796-Athletic & outdoor sports & games
|       |-- 797-Aquatic & air sports
|       |-- 798-Equestrian sports & animal racing
|       `-- 799-Fishing, hunting & shooting
|-- 800-Literature
|   |-- 800-Literature, rhetoric & criticism
|   |   |-- 800-Literature & rhetoric
|   |   |-- 801-Philosophy & theory
|   |   |-- 802-Miscellany
|   |   |-- 803-Dictionaries & encyclopedias
|   |   |-- 804-[Unassigned]
|   |   |-- 805-Serial publications
|   |   |-- 806-Organizations & management
|   |   |-- 807-Education, research & related topics
|   |   |-- 808-Rhetoric & collections of literature
|   |   `-- 809-History, description & criticism
|   |-- 810-American literature in English
|   |   |-- 810-American literature in English
|   |   |-- 811-American poetry in English
|   |   |-- 812-American drama in English
|   |   |-- 813-American fiction in English
|   |   |-- 814-American essays in English
|   |   |-- 815-American speeches in English
|   |   |-- 816-American letters in English
|   |   |-- 817-American humor & satire in English
|   |   |-- 818-American miscellaneous writings
|   |   `-- 819-(Optional number)
|   |-- 820-English & Old English literatures
|   |   |-- 820-English & Old English literatures
|   |   |-- 821-English poetry
|   |   |-- 822-English drama
|   |   |-- 823-English fiction
|   |   |-- 824-English essays
|   |   |-- 825-English speeches
|   |   |-- 826-English letters
|   |   |-- 827-English humor & satire
|   |   |-- 828-English miscellaneous writings
|   |   `-- 829-Old English (Anglo
|   |-- 830-German & related literatures
|   |   |-- 830-Literatures of Germanic languages
|   |   |-- 831-German poetry
|   |   |-- 832-German drama
|   |   |-- 833-German fiction
|   |   |-- 834-German essays
|   |   |-- 835-German speeches
|   |   |-- 836-German letters
|   |   |-- 837-German humor & satire
|   |   |-- 838-German miscellaneous writings
|   |   `-- 839-Other Germanic literatures
|   |-- 840-French & related literatures
|   |   |-- 840-Literatures of Romance languages
|   |   |-- 841-French poetry
|   |   |-- 842-French drama
|   |   |-- 843-French fiction
|   |   |-- 844-French essays
|   |   |-- 845-French speeches
|   |   |-- 846-French letters
|   |   |-- 847-French humor & satire
|   |   |-- 848-French miscellaneous writings
|   |   `-- 849-Occitan & Catalan literatures
|   |-- 850-Italian, Romanian & related literatures
|   |   |-- 850-Italian, Romanian & related literatures
|   |   |-- 851-Italian poetry
|   |   |-- 852-Italian drama
|   |   |-- 853-Italian fiction
|   |   |-- 854-Italian essays
|   |   |-- 855-Italian speeches
|   |   |-- 856-Italian letters
|   |   |-- 857-Italian humor & satire
|   |   |-- 858-Italian miscellaneous writings
|   |   `-- 859-Romanian & related literatures
|   |-- 860-Spanish & Portuguese literatures
|   |   |-- 860-Spanish & Portuguese literatures
|   |   |-- 861-Spanish poetry
|   |   |-- 862-Spanish drama
|   |   |-- 863-Spanish fiction
|   |   |-- 864-Spanish essays
|   |   |-- 865-Spanish speeches
|   |   |-- 866-Spanish letters
|   |   |-- 867-Spanish humor & satire
|   |   |-- 868-Spanish miscellaneous writings
|   |   `-- 869-Portuguese literature
|   |-- 870-Latin & Italic literatures
|   |   |-- 870-Italic literatures; Latin literature
|   |   |-- 871-Latin poetry
|   |   |-- 872-Latin dramatic poetry & drama
|   |   |-- 873-Latin epic poetry & fiction
|   |   |-- 874-Latin lyric poetry
|   |   |-- 875-Latin speeches
|   |   |-- 876-Latin letters
|   |   |-- 877-Latin humor & satire
|   |   |-- 878-Latin miscellaneous writings
|   |   `-- 879-Literatures of other Italic languages
|   |-- 880-Classical & modern Greek literatures
|   |   |-- 880-Hellenic literatures; classical Greek
|   |   |-- 881-Classical Greek poetry
|   |   |-- 882-Classical Greek dramatic poetry & drama
|   |   |-- 883-Classical Greek epic poetry & fiction
|   |   |-- 884-Classical Greek lyric poetry
|   |   |-- 885-Classical Greek speeches
|   |   |-- 886-Classical Greek letters
|   |   |-- 887-Classical Greek humor & satire
|   |   |-- 888-Classical Greek miscellaneous writings
|   |   `-- 889-Modern Greek literature
|   `-- 890-Other literatures
|       |-- 890-Literatures of other languages
|       |-- 891-East Indo
|       |-- 892-Afro
|       |-- 893-Non
|       |-- 894-Altaic, Uralic, Hyperborean & Dravidian
|       |-- 895-Literatures of East & Southeast Asia
|       |-- 896-African literatures
|       |-- 897-North American native literatures
|       |-- 898-South American native literatures
|       `-- 899-Austronesian & other literatures
`-- 900-History & geography
    |-- 900-History
    |   |-- 900-History & geography
    |   |-- 901-Philosophy & theory
    |   |-- 902-Miscellany
    |   |-- 903-Dictionaries & encyclopedias
    |   |-- 904-Collected accounts of events
    |   |-- 905-Serial publications
    |   |-- 906-Organizations & management
    |   |-- 907-Education, research & related topics
    |   |-- 908-Kinds of persons treatment
    |   `-- 909-World history
    |-- 910-Geography & travel
    |   |-- 910-Geography & travel
    |   |-- 911-Historical geography
    |   |-- 912-Atlases, maps, charts & plans
    |   |-- 913-Geography of & travel in ancient world
    |   |-- 914-Geography of & travel in Europe
    |   |-- 915-Geography of & travel in Asia
    |   |-- 916-Geography of & travel in Africa
    |   |-- 917-Geography of & travel in North America
    |   |-- 918-Geography of & travel in South America
    |   `-- 919-Geography of & travel in other areas
    |-- 920-Biography & genealogy
    |   |-- 920-Biography, genealogy & insignia
    |   |-- 921-(Optional number)
    |   |-- 922-(Optional number)
    |   |-- 923-(Optional number)
    |   |-- 924-(Optional number)
    |   |-- 925-(Optional number)
    |   |-- 926-(Optional number)
    |   |-- 927-(Optional number)
    |   |-- 928-(Optional number)
    |   `-- 929-Genealogy, names & insignia
    |-- 930-History of ancient world (to ca. 499)
    |   |-- 930-History of ancient world to ca. 499
    |   |-- 931-China to 420
    |   |-- 932-Egypt to 640
    |   |-- 933-Palestine to 70
    |   |-- 934-India to 647
    |   |-- 935-Mesopotamia & Iranian Plateau to 637
    |   |-- 936-Europe north & west of Italy to ca. 499
    |   |-- 937-Italy & adjacent territories to 476
    |   |-- 938-Greece to 323
    |   `-- 939-Other parts of ancient world to ca. 640
    |-- 940-History of Europe
    |   |-- 940-History of Europe
    |   |-- 941-British Isles
    |   |-- 942-England & Wales
    |   |-- 943-Central Europe; Germany
    |   |-- 944-France & Monaco
    |   |-- 945-Italian Peninsula & adjacent islands
    |   |-- 946-Iberian Peninsula & adjacent islands
    |   |-- 947-Eastern Europe; Russia
    |   |-- 948-Scandinavia
    |   `-- 949-Other parts of Europe
    |-- 950-History of Asia
    |   |-- 950-History of Asia; Far East
    |   |-- 951-China & adjacent areas
    |   |-- 952-Japan
    |   |-- 953-Arabian Peninsula & adjacent areas
    |   |-- 954-South Asia; India
    |   |-- 955-Iran
    |   |-- 956-Middle East (Near East)
    |   |-- 957-Siberia (Asiatic Russia)
    |   |-- 958-Central Asia
    |   `-- 959-Southeast Asia
    |-- 960-History of Africa
    |   |-- 960-History of Africa
    |   |-- 961-Tunisia & Libya
    |   |-- 962-Egypt & Sudan
    |   |-- 963-Ethiopia & Eritrea
    |   |-- 964-Northwest African coast & offshore islands
    |   |-- 965-Algeria
    |   |-- 966-West Africa & offshore islands
    |   |-- 967-Central Africa & offshore islands
    |   |-- 968-Southern Africa; Republic of South Africa
    |   `-- 969-South Indian Ocean islands
    |-- 970-History of North America
    |   |-- 970-History of North America
    |   |-- 971-Canada
    |   |-- 972-Middle America; Mexico
    |   |-- 973-United States
    |   |-- 974-Northeastern United States
    |   |-- 975-Southeastern United States
    |   |-- 976-South central United States
    |   |-- 977-North central United States
    |   |-- 978-Western United States
    |   `-- 979-Great Basin & Pacific Slope region
    |-- 980-History of South America
    |   |-- 980-History of South America
    |   |-- 981-Brazil
    |   |-- 982-Argentina
    |   |-- 983-Chile
    |   |-- 984-Bolivia
    |   |-- 985-Peru
    |   |-- 986-Colombia & Ecuador
    |   |-- 987-Venezuela
    |   |-- 988-Guiana
    |   `-- 989-Paraguay & Uruguay
    `-- 990-History of other areas
        |-- 990-History of other areas
        |-- 991-[Unassigned]
        |-- 992-[Unassigned]
        |-- 993-New Zealand
        |-- 994-Australia
        |-- 995-Melanesia; New Guinea
        |-- 996-Other parts of Pacific; Polynesia
        |-- 997-Atlantic Ocean islands
        |-- 998-Arctic islands & Antarctica
        `-- 999-Extraterrestrial worlds

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