• 520 - Astronomy & allied sciences
• 797 - Aquatic & air sports
• 953 - Arabian Peninsula & adjacent areas
• 998 - Arctic islands & Antarctica
• 022 - Administration of physical plant
• 158 - Applied psychology
• 168 - Argument & persuasion
• 169 - Analogy
• 180 - Ancient, medieval & eastern philosophy
• 185 - Aristotelian philosophy
• 229 - Apocrypha & pseudepigrapha
• 239 - Apologetics & polemics
• 267 - Associations for religious work
• 283 - Anglican churches
• 354 - Administration of economy & environment
• 358 - Air & other specialized forces
• 366 - Associations
• 374 - Adult education
• 494 - Altaic, Uralic, Hyperborean & Dravidian
• 496 - African languages
• 499 - Austronesian & other languages
• 512 - Algebra
• 513 - Arithmetic
• 515 - Analysis
• 543 - Analytical chemistry
• 590 - Animals (Zoology)
• 595 - Arthropods
• 621 - Applied physics
• 630 - Agriculture & related technologies
• 636 - Animal husbandry
• 657 - Accounting
• 659 - Advertising & public relations
• 692 - Auxiliary construction practices
• 711 - Area planning
• 720 - Architecture
• 721 - Architectural structure
• 722 - Architecture to ca. 300
• 723 - Architecture from ca. 300 to 1399
• 724 - Architecture from 1400
• 739 - Art metalwork
• 796 - Athletic & outdoor sports & games
• 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
• 894 - Altaic, Uralic, Hyperborean & Dravidian
• 896 - African literatures
• 899 - Austronesian & other literatures
• 912 - Atlases, maps, charts & plans
• 965 - Algeria
• 982 - Argentina
• 994 - Australia
• 997 - Atlantic Ocean islands
• 014 - Bibliographies of anonymous & pseudonymous works
• 018 - Catalogs arranged by author, date, etc.
• 031 - Encyclopedias in American English
• 051 - Serials in American English
• 061 - Organizations in North America
• 065 - Organizations in Italy & adjacent islands
• 066 - Organizations in Iberian Peninsula & adjacent islands
• 068 - Organizations in other geographic areas
• 071 - Newspapers in North America
• 075 - Newspapers in Italy & adjacent islands
• 076 - Newspapers in Iberian Peninsula & adjacent islands
• 079 - Newspapers in other geographic areas
• 081 - Collections in American English
• 154 - Subconscious & altered states
• 193 - Philosophy of Germany & Austria
• 199 - Philosophy in other geographic areas
• 212 - Existence, knowability & attributes of God
• 226 - Gospels & Acts
• 246 - Use of art in Christianity
• 247 - Church furnishings & articles
• 254 - Parish administration
• 265 - Sacraments, other rites & acts
• 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
• 286 - Baptist, Disciples of Christ & Adventist
• 301 - Sociology & anthropology
• 304 - Factors affecting social behavior
• 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
• 342 - Constitutional & administrative law
• 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
• 360 - "Social problems & services; associations"
• 369 - Miscellaneous kinds of associations
• 371 - "Schools & their activities; special education"
• 387 - Water, air & space transportation
• 391 - Costume & personal appearance
• 418 - Standard usage & applied linguistics
• 493 - Non-Semitic Afro-Asiatic languages
• 495 - Languages of East & Southeast Asia
• 497 - North American native languages
• 498 - South American native languages
• 518 - Numerical analysis
• 519 - Probabilities & applied mathematics
• 540 - Chemistry & allied sciences
• 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
• 565 - Fossil arthropods
• 573 - Specific physiological systems in animals
• 579 - Microorganisms, fungi & algae
• 611 - Human anatomy, cytology & histology
• 620 - Engineering & allied operations
• 650 - Management & auxiliary services
• 666 - Ceramic & allied technologies
• 672 - Iron, steel & other iron alloys
• 683 - Hardware & household appliances
• 686 - Printing & related activities
• 687 - Clothing & accessories
• 697 - Heating, ventilating & air-conditioning
• 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
• 710 - Civic & landscape art
• 712 - Landscape architecture
• 713 - Landscape architecture of trafficways
• 717 - Structures in landscape architecture
• 730 - "Plastic arts; sculpture"
• 738 - Ceramic arts
• 740 - Drawing & decorative arts
• 745 - Decorative arts
• 746 - Textile arts
• 749 - Furniture & accessories
• 753 - Symbolism, allegory, mythology & legend
• 760 - "Graphic arts; printmaking & prints"
• 766 - Mezzotinting, aquatinting & related processes
• 770 - Photography, photographs & computer art
• 776 - Computer art (Digital art)
• 790 - Recreational & performing arts
• 793 - Indoor games & amusements
• 798 - Equestrian sports & animal racing
• 893 - Non-Semitic Afro-Asiatic literatures
• 895 - Literatures of East & Southeast Asia
• 897 - North American native literatures
• 898 - South American native literatures
• 904 - Collected accounts of events
• 913 - Geography of & travel in ancient world
• 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
• 930 - History of ancient world to ca. 499
• 937 - Italy & adjacent territories to 476
• 939 - Other parts of ancient world to ca. 640
• 945 - Italian Peninsula & adjacent islands
• 946 - Iberian Peninsula & adjacent islands
• 950 - "History of Asia; Far East"
• 951 - China & adjacent areas
• 954 - "South Asia; India"
• 958 - Central Asia
• 959 - Southeast Asia
• 960 - History of Africa
• 964 - Northwest African coast & offshore islands
• 966 - West Africa & offshore islands
• 967 - Central Africa & offshore islands
• 968 - "Southern Africa; Republic of South Africa"
• 970 - History of North America
• 972 - "Middle America; Mexico"
• 980 - History of South America
• 990 - History of other areas
• 000 - Computer science, information & general works
• 004 - Data processing & computer science
• 005 - Computer programming, programs & data
• 006 - Special computer methods
• 007 - [Unassigned]
• 008 - [Unassigned]
• 009 - [Unassigned]
• 010 - Bibliography
• 011 - Bibliographies
• 012 - Bibliographies of individuals
• 013 - [Unassigned]
• 015 - Bibliographies of works from specific places
• 016 - Bibliographies of works on specific subjects
• 017 - General subject catalogs
• 019 - Dictionary catalogs
• 020 - Library & information sciences
• 021 - Library relationships
• 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 - General encyclopedic works
• 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
• 040 - [Unassigned]
• 041 - [Unassigned]
• 042 - [Unassigned]
• 043 - [Unassigned]
• 044 - [Unassigned]
• 045 - [Unassigned]
• 046 - [Unassigned]
• 047 - [Unassigned]
• 048 - [Unassigned]
• 049 - [Unassigned]
• 050 - General serial publications
• 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
• 062 - "Organizations in British Isles; in England"
• 063 - "Organizations in central Europe; in Germany"
• 064 - Organizations in France & Monaco
• 067 - "Organizations in eastern Europe; in Russia"
• 070 - News media, journalism & publishing
• 072 - "Newspapers in British Isles; in England"
• 073 - "Newspapers in central Europe; in Germany"
• 074 - Newspapers in France & Monaco
• 077 - "Newspapers in eastern Europe; in Russia"
• 078 - Newspapers in Scandinavia
• 080 - General collections
• 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
• 091 - Manuscripts
• 093 - Incunabula
• 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
• 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
• 112 - [Unassigned]
• 114 - Space
• 116 - Change
• 119 - Number & quantity
• 120 - Epistemology, causation & humankind
• 122 - Causation
• 125 - [Unassigned]
• 128 - Humankind
• 129 - Origin & destiny of individual souls
• 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
• 140 - Specific philosophical schools
• 141 - Idealism & related systems
• 142 - Critical philosophy
• 144 - Humanism & related systems
• 145 - Sensationalism
• 146 - Naturalism & related systems
• 147 - Pantheism & related systems
• 148 - Eclecticism, liberalism & traditionalism
• 149 - Other philosophical systems
• 151 - [Unassigned]
• 153 - Mental processes & intelligence
• 155 - Differential & developmental psychology
• 156 - Comparative psychology
• 157 - [Unassigned]
• 159 - [Unassigned]
• 163 - [Unassigned]
• 164 - [Unassigned]
• 165 - Fallacies & sources of error
• 171 - Ethical systems
• 172 - Political ethics
• 173 - Ethics of family relationships
• 174 - Occupational ethics
• 175 - Ethics of recreation & leisure
• 177 - Ethics of social relations
• 179 - Other ethical norms
• 181 - Eastern philosophy
• 182 - Pre-Socratic Greek philosophies
• 183 - Socratic & related philosophies
• 184 - Platonic philosophy
• 186 - Skeptic & Neoplatonic philosophies
• 187 - Epicurean philosophy
• 189 - Medieval western philosophy
• 191 - Philosophy of United States & Canada
• 194 - Philosophy of France
• 195 - Philosophy of Italy
• 196 - Philosophy of Spain & Portugal
• 198 - Philosophy of Scandinavia
• 201 - Religious mythology & social theology
• 203 - Public worship & other practices
• 204 - Religious experience, life & practice
• 206 - Leaders & organization
• 207 - Missions & religious education
• 213 - Creation
• 216 - [Unassigned]
• 217 - [Unassigned]
• 218 - Humankind
• 219 - [Unassigned]
• 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
• 228 - Revelation (Apocalypse)
• 230 - Christianity & Christian theology
• 232 - Jesus Christ & his family
• 233 - Humankind
• 234 - Salvation & grace
• 235 - Spiritual beings
• 236 - Eschatology
• 237 - [Unassigned]
• 238 - Creeds & catechisms
• 240 - Christian moral & devotional theology
• 241 - Christian ethics
• 242 - Devotional literature
• 243 - Evangelistic writings for individuals
• 244 - [Unassigned]
• 245 - [Unassigned]
• 248 - Christian experience, practice & life
• 249 - Christian observances in family life
• 250 - Christian orders & local church
• 251 - Preaching
• 253 - Pastoral office & work
• 255 - Religious congregations & orders
• 256 - [Unassigned]
• 257 - [Unassigned]
• 258 - [Unassigned]
• 259 - Pastoral care of families & kinds of persons
• 260 - Social & ecclesiastical theology
• 261 - Social theology
• 263 - Days, times & places of observance
• 268 - Religious education
• 269 - Spiritual renewal
• 270 - History of Christianity & Christian church
• 273 - Doctrinal controversies & heresies
• 274 - History of Christianity in Europe
• 280 - Christian denominations & sects
• 281 - Early church & Eastern churches
• 282 - Roman Catholic Church
• 284 - Protestants of Continental origin
• 285 - Presbyterian, Reformed & Congregational
• 287 - Methodist & related churches
• 288 - [Unassigned]
• 289 - Other denominations & sects
• 291 - [Unassigned]
• 292 - Greek & Roman religion
• 293 - Germanic religion
• 295 - Zoroastrianism
• 296 - Judaism
• 297 - Islam, Babism & Bahai Faith
• 298 - (Optional number)
• 300 - Social sciences
• 302 - Social interaction
• 303 - Social processes
• 305 - Social groups
• 308 - [Unassigned]
• 309 - [Unassigned]
• 310 - Collections of general statistics
• 311 - [Unassigned]
• 312 - [Unassigned]
• 313 - [Unassigned]
• 314 - General statistics of Europe
• 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]
• 331 - Labor economics
• 332 - Financial economics
• 333 - Economics of land & energy
• 334 - Cooperatives
• 335 - Socialism & related systems
• 336 - Public finance
• 337 - International economics
• 339 - Macroeconomics & related topics
• 340 - Law
• 341 - Law of nations
• 343 - Military, tax, trade & industrial law
• 344 - Labor, social, education & cultural law
• 345 - Criminal law
• 346 - Private law
• 348 - Laws, regulations & cases
• 355 - Military science
• 356 - Infantry forces & warfare
• 357 - Mounted forces & warfare
• 359 - Sea forces & warfare
• 361 - Social problems & social welfare in general
• 362 - Social welfare problems & services
• 363 - Other social problems & services
• 365 - Penal & related institutions
• 367 - General clubs
• 368 - Insurance
• 370 - Education
• 372 - Elementary education
• 373 - Secondary education
• 375 - Curricula
• 376 - [Unassigned]
• 377 - [Unassigned]
• 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
• 388 - "Transportation; ground transportation"
• 389 - Metrology & standardization
• 393 - Death customs
• 394 - General customs
• 395 - Etiquette (Manners)
• 396 - [Unassigned]
• 397 - [Unassigned]
• 399 - Customs of war & diplomacy
• 400 - Language
• 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
• 413 - Dictionaries
• 415 - Grammar
• 416 - [Unassigned]
• 417 - Dialectology & historical linguistics
• 419 - Sign languages
• 423 - English dictionaries
• 424 - [Unassigned]
• 425 - English grammar
• 426 - [Unassigned]
• 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
• 434 - [Unassigned]
• 435 - German grammar
• 436 - [Unassigned]
• 437 - German language variations
• 438 - Standard German usage
• 439 - Other Germanic languages
• 440 - "Romance languages; French"
• 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
• 451 - Italian writing systems & phonology
• 452 - Italian etymology
• 453 - Italian dictionaries
• 454 - [Unassigned]