• 000 - Computer science, information & general works
• 002 - The book
• 004 - Data processing & computer science
• 005 - Computer programming, programs & data
• 006 - Special computer methods
• 012 - Bibliographies of individuals
• 014 - Bibliographies 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
• 021 - Library relationships
• 022 - Administration of physical plant
• 023 - Personnel management
• 025 - Library operations
• 026 - Libraries for specific subjects
• 027 - General libraries
• 028 - Reading & use of other information media
• 030 - General encyclopedic works
• 031 - Encyclopedias in American English
• 032 - Encyclopedias in English
• 033 - Encyclopedias in other Germanic languages
• 034 - Encyclopedias in French, Occitan & Catalan
• 035 - Encyclopedias 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
• 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 - Serials 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 - 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 - Organizations 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
• 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 - Newspapers in Iberian Peninsula & adjacent islands
• 077 - "Newspapers in eastern Europe; in Russia"
• 078 - Newspapers in Scandinavia
• 079 - Newspapers in other geographic areas
• 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 - Collections 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
• 092 - Block books
• 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
• 101 - Theory of philosophy
• 103 - Dictionaries & encyclopedias
• 105 - Serial publications
• 106 - Organizations & management
• 107 - Education, research & related topics
• 108 - Kinds of persons treatment
• 109 - Historical & collected persons treatment
• 118 - Force & energy
• 119 - Number & quantity
• 120 - Epistemology, causation & humankind
• 123 - Determinism & indeterminism
• 126 - The self
• 127 - The unconscious & the subconscious
• 129 - Origin & destiny of individual souls
• 130 - Parapsychology & occultism
• 131 - Parapsychological & occult methods
• 133 - Specific topics in parapsychology & occultism
• 135 - Dreams & mysteries
• 137 - Divinatory graphology
• 140 - Specific philosophical schools
• 141 - Idealism & related systems
• 142 - Critical philosophy
• 143 - Bergsonism & intuitionism
• 144 - Humanism & related systems
• 146 - Naturalism & related systems
• 147 - Pantheism & related systems
• 148 - Eclecticism, liberalism & traditionalism
• 149 - Other philosophical systems
• 152 - Perception, movement, emotions & drives
• 153 - Mental processes & intelligence
• 154 - Subconscious & altered states
• 155 - Differential & developmental psychology
• 156 - Comparative psychology
• 158 - Applied psychology
• 165 - Fallacies & sources of error
• 168 - Argument & persuasion
• 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
• 181 - Eastern philosophy
• 182 - Pre-Socratic Greek philosophies
• 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
• 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
• 201 - Religious mythology & social theology
• 203 - Public worship & other practices
• 204 - Religious experience, life & practice
• 205 - Religious ethics
• 206 - Leaders & organization
• 207 - Missions & religious education
• 209 - Sects & reform movements
• 210 - Philosophy & theory of religion
• 211 - Concepts of God
• 212 - Existence, knowability & attributes of God
• 215 - Science & religion
• 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
• 228 - Revelation (Apocalypse)
• 229 - Apocrypha & pseudepigrapha
• 230 - Christianity & Christian theology
• 232 - Jesus Christ & his family
• 234 - Salvation & grace
• 235 - Spiritual beings
• 238 - Creeds & catechisms
• 239 - Apologetics & polemics
• 240 - Christian moral & devotional theology
• 241 - Christian ethics
• 242 - Devotional literature
• 243 - Evangelistic writings for individuals
• 246 - Use of art in Christianity
• 247 - Church furnishings & articles
• 248 - Christian experience, practice & life
• 249 - Christian observances in family life
• 250 - Christian orders & local church
• 252 - Texts of sermons
• 253 - Pastoral office & work
• 254 - Parish administration
• 255 - Religious congregations & orders
• 259 - Pastoral care of families & kinds of persons
• 260 - Social & ecclesiastical theology
• 261 - Social theology
• 263 - Days, times & places of observance
• 264 - Public worship
• 265 - Sacraments, other rites & acts
• 267 - Associations for religious work
• 268 - Religious education
• 269 - Spiritual renewal
• 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 & 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
• 289 - Other denominations & sects
• 290 - Other religions
• 292 - Greek & Roman religion
• 293 - Germanic religion
• 294 - Religions of Indic origin
• 297 - Islam, Babism & Bahai Faith
• 298 - (Optional number)
• 299 - Religions not provided for elsewhere
• 300 - Social sciences
• 301 - Sociology & anthropology
• 302 - Social interaction
• 303 - Social processes
• 304 - Factors affecting social behavior
• 305 - Social groups
• 306 - Culture & institutions
• 310 - Collections of general statistics
• 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
• 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
• 331 - Labor economics
• 332 - Financial economics
• 333 - Economics of land & energy
• 335 - Socialism & related systems
• 336 - Public finance
• 337 - International economics
• 339 - Macroeconomics & related topics
• 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
• 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 & services; associations"
• 361 - Social problems & social welfare in general
• 362 - Social welfare problems & services
• 363 - Other social problems & services
• 365 - Penal & related institutions
• 367 - General clubs
• 369 - Miscellaneous kinds of associations
• 371 - "Schools & their activities; special education"
• 372 - Elementary education
• 373 - Secondary education
• 374 - Adult education
• 378 - Higher education
• 379 - Public policy issues in education
• 380 - Commerce, communications & transportation
• 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
• 391 - Costume & personal appearance
• 392 - Customs of life cycle & domestic life
• 393 - Death customs
• 394 - General customs
• 395 - Etiquette (Manners)
• 399 - Customs of war & diplomacy
• 401 - Philosophy & theory
• 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
• 411 - Writing systems
• 414 - Phonology & phonetics
• 417 - Dialectology & historical linguistics
• 418 - Standard usage & applied linguistics
• 419 - Sign languages
• 420 - English & Old English
• 421 - English writing system & phonology
• 422 - English etymology
• 423 - English dictionaries
• 425 - English grammar
• 427 - English language variations
• 428 - Standard English usage
• 429 - Old English (Anglo-Saxon)
• 430 - "Germanic languages; German"
• 431 - German writing systems & phonology
• 432 - German etymology
• 433 - German dictionaries
• 435 - German grammar
• 437 - German language variations
• 438 - Standard German usage
• 439 - Other Germanic languages
• 440 - "Romance languages; French"
• 441 - French writing systems & phonology
• 442 - French etymology
• 443 - French dictionaries
• 445 - French grammar
• 447 - French language variations
• 448 - Standard French usage
• 449 - Occitan & Catalan
• 450 - Italian, Romanian & related languages
• 451 - Italian writing systems & phonology
• 452 - Italian etymology
• 453 - Italian dictionaries
• 455 - Italian grammar
• 457 - Italian language variations
• 458 - Standard Italian usage
• 459 - Romanian & related languages
• 460 - Spanish & Portuguese languages
• 461 - Spanish writing systems & phonology
• 462 - Spanish etymology
• 463 - Spanish dictionaries
• 465 - Spanish grammar
• 467 - Spanish language variations
• 468 - Standard Spanish usage
• 470 - "Italic languages; Latin"
• 471 - Classical Latin writing & phonology
• 472 - Classical Latin etymology
• 473 - Classical Latin dictionaries
• 475 - Classical Latin grammar
• 477 - Old, postclassical & Vulgar Latin
• 478 - Classical Latin usage
• 479 - Other Italic languages
• 480 - "Hellenic languages; classical Greek"
• 481 - Classical Greek writing & phonology
• 482 - Classical Greek etymology
• 483 - Classical Greek dictionaries
• 485 - Classical Greek grammar
• 487 - Preclassical & postclassical Greek
• 488 - Classical Greek usage
• 489 - Other Hellenic languages
• 490 - Other languages
• 491 - East Indo-European & Celtic languages
• 492 - "Afro-Asiatic languages; Semitic languages"
• 493 - Non-Semitic Afro-Asiatic languages
• 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 - Natural sciences & mathematics
• 501 - Philosophy & theory
• 503 - Dictionaries & encyclopedias
• 505 - Serial publications
• 506 - Organizations & management
• 507 - Education, research & related topics
• 508 - Natural history
• 509 - Historical, geographic & persons treatment
• 511 - General principles of mathematics
• 518 - Numerical analysis
• 519 - Probabilities & applied mathematics
• 520 - Astronomy & allied sciences
• 521 - Celestial mechanics
• 522 - Techniques, equipment & materials
• 523 - Specific celestial bodies & phenomena
• 525 - Earth (Astronomical geography)
• 526 - Mathematical geography
• 527 - Celestial navigation
• 531 - "Classical mechanics; solid mechanics"
• 532 - "Fluid mechanics; liquid mechanics"
• 533 - Gas mechanics
• 534 - Sound & related vibrations
• 535 - Light & infrared & ultraviolet phenomena
• 537 - Electricity & electronics
• 539 - Modern physics
• 540 - Chemistry & allied sciences
• 541 - Physical chemistry
• 542 - Techniques, equipment & materials
• 543 - Analytical chemistry
• 546 - Inorganic chemistry
• 547 - Organic chemistry
• 550 - Earth sciences
• 551 - Geology, hydrology & meteorology
• 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 - "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-blooded vertebrates; fossil fishes"
• 568 - Fossil birds
• 569 - Fossil mammals
• 570 - "Life sciences; biology"
• 571 - Physiology & related subjects
• 573 - Specific physiological systems in animals
• 575 - Specific parts of & systems in plants
• 576 - Genetics & evolution
• 578 - Natural history of organisms
• 579 - Microorganisms, fungi & algae
• 580 - Plants (Botany)
• 581 - Specific topics in natural history
• 582 - Plants noted for characteristics & flowers
• 585 - "Gymnosperms; conifers"
• 586 - Seedless plants
• 587 - Vascular seedless plants
• 590 - Animals (Zoology)
• 591 - Specific topics in natural history
• 593 - Marine & seashore invertebrates
• 594 - Mollusks & molluscoids
• 597 - "Cold-blooded vertebrates; fishes"
• 601 - Philosophy & theory
• 603 - Dictionaries & encyclopedias
• 604 - Special topics
• 605 - Serial publications
• 607 - Education, research & related topics
• 608 - Inventions & patents
• 609 - Historical, geographic & persons treatment
• 610 - Medicine & health
• 611 - Human anatomy, cytology & histology
• 612 - Human physiology
• 613 - Personal health & safety
• 614 - Incidence & prevention of disease
• 615 - Pharmacology & therapeutics
• 617 - Surgery & related medical specialties
• 618 - Gynecology, obstetrics, pediatrics & geriatrics
• 620 - Engineering & allied operations
• 621 - Applied physics
• 622 - Mining & related operations
• 623 - Military & nautical engineering
• 624 - Civil engineering
• 625 - Engineering of railroads & roads
• 627 - Hydraulic engineering
• 628 - Sanitary & municipal engineering
• 629 - Other branches of engineering
• 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
• 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
• 649 - Child rearing & home care of persons
• 650 - Management & auxiliary services
• 651 - Office services
• 652 - Processes of written communication
• 658 - General management
• 659 - Advertising & public relations
• 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
• 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
• 678 - Elastomers & elastomer products
• 679 - Other products of specific materials
• 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
• 691 - Building materials
• 692 - Auxiliary construction practices
• 693 - Specific materials & purposes
• 694 - Wood construction & carpentry
• 695 - Roof covering
• 697 - Heating, ventilating & air-conditioning
• 698 - Detail finishing
• 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 - 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
• 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 - "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
• 741 - Drawing & drawings
• 743 - Drawing & drawings by subject
• 745 - Decorative arts
• 746 - Textile arts
• 747 - Interior decoration
• 749 - Furniture & accessories
• 750 - Painting & paintings
• 751 - Techniques, equipment, materials & forms
• 753 - Symbolism, allegory, mythology & legend
• 754 - Genre paintings
• 757 - Human figures
• 758 - Other subjects
• 759 - Historical, geographic & persons treatment
• 760 - "Graphic arts; printmaking & prints"
• 761 - Relief processes (Block printing)
• 763 - Lithographic processes
• 764 - Chromolithography & serigraphy
• 765 - Metal engraving
• 766 - Mezzotinting, aquatinting & related processes
• 767 - Etching & drypoint
• 770 - Photography, photographs & computer art
• 771 - Techniques, equipment & materials
• 772 - Metallic salt processes
• 773 - Pigment processes of printing
• 775 - Digital photography
• 776 - Computer art (Digital art)
• 778 - Fields & kinds of photography
• 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 - 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 & rhetoric
• 801 - Philosophy & theory
• 803 - Dictionaries & encyclopedias
• 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
• 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
• 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-Saxon)
• 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 - Literatures of Romance languages
• 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
• 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
• 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 - "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 - "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 - Literatures of other languages
• 891 - East Indo-European & Celtic literatures
• 892 - "Afro-Asiatic literatures; Semitic literatures"
• 893 - Non-Semitic Afro-Asiatic literatures
• 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
• 901 - Philosophy & theory
• 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
• 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 & 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
• 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
• 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"
• 949 - Other parts of Europe
• 950 - "History of Asia; Far East"
• 951 - China & adjacent areas
• 953 - Arabian Peninsula & adjacent areas
• 954 - "South Asia; India"
• 956 - Middle East (Near East)
• 957 - Siberia (Asiatic Russia)
• 958 - Central Asia
• 959 - Southeast Asia
• 960 - History of Africa
• 961 - Tunisia & Libya
• 962 - Egypt & Sudan
• 963 - Ethiopia & Eritrea
• 964 - Northwest African coast & offshore islands
• 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
• 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
• 986 - Colombia & Ecuador
• 989 - Paraguay & Uruguay
• 990 - History of other areas
• 993 - New Zealand
• 995 - "Melanesia; New Guinea"
• 996 - "Other parts of Pacific; Polynesia"
• 997 - Atlantic Ocean islands
• 998 - Arctic islands & Antarctica
• 999 - Extraterrestrial worlds
• 001 - Knowledge
• 003 - Systems
• 007 - [Unassigned]
• 008 - [Unassigned]
• 009 - [Unassigned]
• 010 - Bibliography
• 011 - Bibliographies
• 013 - [Unassigned]
• 024 - [Unassigned]
• 029 - [Unassigned]
• 040 - [Unassigned]
• 041 - [Unassigned]
• 042 - [Unassigned]
• 043 - [Unassigned]
• 044 - [Unassigned]
• 045 - [Unassigned]
• 046 - [Unassigned]
• 047 - [Unassigned]
• 048 - [Unassigned]
• 049 - [Unassigned]
• 091 - Manuscripts
• 093 - Incunabula
• 102 - Miscellany
• 104 - [Unassigned]
• 110 - Metaphysics
• 111 - Ontology
• 112 - [Unassigned]
• 113 - Cosmology
• 114 - Space
• 115 - Time
• 116 - Change
• 117 - Structure
• 121 - Epistemology
• 122 - Causation
• 124 - Teleology
• 125 - [Unassigned]
• 128 - Humankind
• 132 - [Unassigned]
• 134 - [Unassigned]
• 136 - [Unassigned]
• 138 - Physiognomy
• 139 - Phrenology
• 145 - Sensationalism
• 150 - Psychology
• 151 - [Unassigned]
• 157 - [Unassigned]
• 159 - [Unassigned]
• 160 - Logic
• 161 - Induction
• 162 - Deduction
• 163 - [Unassigned]
• 164 - [Unassigned]
• 166 - Syllogisms
• 167 - Hypotheses
• 169 - Analogy
• 170 - Ethics
• 200 - Religion
• 202 - Doctrines
• 208 - Sources
• 213 - Creation
• 214 - Theodicy
• 216 - [Unassigned]
• 217 - [Unassigned]
• 218 - Humankind
• 219 - [Unassigned]
• 220 - Bible
• 227 - Epistles
• 231 - God
• 233 - Humankind
• 236 - Eschatology
• 237 - [Unassigned]
• 244 - [Unassigned]
• 245 - [Unassigned]
• 251 - Preaching
• 256 - [Unassigned]
• 257 - [Unassigned]
• 258 - [Unassigned]
• 262 - Ecclesiology
• 266 - Missions
• 288 - [Unassigned]
• 291 - [Unassigned]
• 295 - Zoroastrianism
• 296 - Judaism
• 307 - Communities
• 308 - [Unassigned]
• 309 - [Unassigned]
• 311 - [Unassigned]
• 312 - [Unassigned]
• 313 - [Unassigned]
• 329 - [Unassigned]
• 330 - Economics
• 334 - Cooperatives
• 338 - Production
• 340 - Law
• 364 - Criminology
• 366 - Associations
• 368 - Insurance
• 370 - Education
• 375 - Curricula
• 376 - [Unassigned]
• 377 - [Unassigned]
• 381 - Commerce
• 396 - [Unassigned]
• 397 - [Unassigned]
• 398 - Folklore
• 400 - Language
• 402 - Miscellany
• 410 - Linguistics
• 412 - Etymology
• 413 - Dictionaries
• 415 - Grammar
• 416 - [Unassigned]
• 424 - [Unassigned]
• 426 - [Unassigned]
• 434 - [Unassigned]
• 436 - [Unassigned]
• 444 - [Unassigned]
• 446 - [Unassigned]
• 454 - [Unassigned]
• 456 - [Unassigned]
• 464 - [Unassigned]
• 466 - [Unassigned]
• 469 - Portuguese
• 474 - [Unassigned]
• 476 - [Unassigned]
• 484 - [Unassigned]
• 486 - [Unassigned]
• 502 - Miscellany
• 504 - [Unassigned]
• 510 - Mathematics
• 512 - Algebra
• 513 - Arithmetic
• 514 - Topology
• 515 - Analysis
• 516 - Geometry
• 517 - [Unassigned]
• 524 - [Unassigned]
• 528 - Ephemerides
• 529 - Chronology
• 530 - Physics
• 536 - Heat
• 538 - Magnetism
• 544 - [Unassigned]
• 545 - [Unassigned]
• 548 - Crystallography
• 549 - Mineralogy
• 552 - Petrology
• 572 - Biochemistry
• 574 - [Unassigned]
• 577 - Ecology
• 583 - Dicotyledons
• 584 - Monocotyledons
• 588 - Bryophytes
• 589 - [Unassigned]
• 592 - Invertebrates
• 595 - Arthropods
• 596 - Chordates
• 598 - Birds
• 599 - Mammals
• 600 - Technology
• 602 - Miscellany
• 606 - Organizations
• 616 - Diseases
• 619 - [Unassigned]
• 626 - [Unassigned]
• 648 - Housekeeping
• 653 - Shorthand
• 654 - [Unassigned]
• 655 - [Unassigned]
• 656 - [Unassigned]
• 657 - Accounting
• 669 - Metallurgy
• 670 - Manufacturing
• 677 - Textiles
• 689 - [Unassigned]
• 690 - Buildings
• 696 - Utilities
• 699 - [Unassigned]
• 720 - Architecture
• 742 - Perspective
• 744 - [Unassigned]
• 748 - Glass
• 752 - Color
• 755 - Religion
• 756 - [Unassigned]
• 762 - [Unassigned]
• 768 - [Unassigned]
• 769 - Prints
• 774 - Holography
• 777 - [Unassigned]
• 779 - Photographs
• 780 - Music
• 802 - Miscellany
• 804 - [Unassigned]
• 841 -
• 902 - Miscellany
• 948 - Scandinavia
• 952 - Japan
• 955 - Iran
• 965 - Algeria
• 971 - Canada
• 981 - Brazil
• 982 - Argentina
• 983 - Chile
• 984 - Bolivia
• 985 - Peru
• 987 - Venezuela
• 988 - Guiana
• 991 - [Unassigned]
• 992 - [Unassigned]
• 994 - Australia