Library of Congress Classification System
P - Language and Literature
| P | 1-1091 | Philology and Linguistics |
| 37-37.5 | Relation to Psychology (General), Psycholinguistics | |
| 40-40.5 | Relation to Sociology, Socioliguistics | |
| 87-96 | Communication, Mass Media | |
| 101-410 | Language (General) | |
| 101-120 | Philosophy, Orgin, etc. of Language | |
| 121-149 | Science of Language, Linguistics | |
| 201-299 | Comparative Grammar | |
| 301-301.5 | Style, Composition, Rhetoric | |
| 306-310 | Translating and Interpreting | |
| 311 | Prosody, Metrics, Rhythmics | |
| 327-365.5 | Lexicography | |
| 375-381 | Linguistic Geography | |
| 501-769 | Indo-European Philology | |
| 901-1091 | Extinct (Ancient or Medieval) Asian and European Languages | |
| PA | 1-8595 | Classical Languages and Literature |
| 227-1179 | Greek Philology and Language | |
| 2001-2915 | Latin Philology and Language | |
| 3051-4500 | Greek Literature: Ancient (Classic) to ca. 600 C.E. | |
| 4505 | Medieval and Modern Authors Writing in Classical Greek | |
| 5000-5660 | Greek Literature: Byzantine and Modern | |
| PB | 1-431 | Modern Europeam Languages: General Works |
| 1201-3029 | Celtic Languages and Literatures | |
| 1201-1449 | Irish | |
| 1501-1709 | Gaelic, Scottish Gaelic | |
| 1801-1867 | Manx | |
| 1950 | Pict | |
| 2001-3029 | Brythonic Group: Welsh, Cornish, Breton, Gallic | |
| PC | 1-5498 | Romance Languages |
| 601-872 | Romanian Language and Literature | |
| 1001-1977 | Italian | |
| 2001-3761 | French, Provencal | |
| 3801-3976 | Catalan Language and Literature | |
| 4001-4977 | Spanish | |
| 5001-5498 | Portugueses | |
| PD | 1001-1350 | Old Germanic Dialects: Gothic, Vandal, Burgundian, Langobardian |
| 1501-5929 | Scandinavian, North Germanic | |
| 2201-2392 | Old Norse, Old Icelandic, Norwegian | |
| 2401-2489 | Icelandic | |
| 2571-2999 | Norwegian | |
| 3001-3929 | Danish | |
| 5001-5929 | Swedish | |
| PE | 1-3729 | English |
| PF | 1-5999 | West Germanic |
| 1-979 | Dutch | |
| 1001-1184 | Flemish | |
| 1401-1541 | Friesian Language and Literature | |
| 3001-5999 | German | |
| PG | 1-7925 | Slavic, Baltic, Albanian Languages and Literature |
| 615-716 | Church Slavic | |
| 801-1199 | Bulgarian, Macedonian | |
| 1201-1696 | Serbo-Croatian | |
| 1801-1962 | Slovenian | |
| 2001-3987 | Russian, White Russian, Ukrainian | |
| 4001-5546 | Czech, Slovak | |
| 5631-7446 | Polish, Sorbian | |
| 8001-9146 | Baltic | |
| 8501-8772 | Lithuanian | |
| 8801-9146 | Latvian | |
| 9501-9665 | Albanian | |
| PH | 1-5490 | Dinno-Ugrian, Basque Languages and Literatures |
| 101-1109 | Finnish | |
| 101-405 | Finnish (Proper) | |
| 601-671 | Estonian | |
| 701-735 | Lapp | |
| 801-836 | Mari | |
| 1201-3445 | Ugrian, Hungarian | |
| 5001-5490 | Basque | |
| PJ | 1-995 | Oriental Languages and Literatures: General Works |
| 1001-2199 | Egyptian, Coptic | |
| 2353-2367 | Libyan Group | |
| 2369-2399 | Berber | |
| 2401-2594 | Cushitic | |
| 3001-9293 | Semitic | |
| 3101-4083 | Assyrian, Sumerian | |
| 4501-5192 | Hebrew | |
| 5201-5329 | Aramaic | |
| 5403-5909 | Syriac | |
| 6001-8517 | Arabic | |
| 8991-9293 | Ethiopian | |
| PK | 1-6996 | Indo-Iranian |
| 8001-8835 | Armenian | |
| 9001-9201 | Caucasian, Georgian | |
| PL | 1-8844 | Languages and Literatures of Eastern Asia, Africa, Oceania |
| 1-481 | Ural-Altaic Languages | |
| 501-889 | Japanese Language and Literature | |
| 901-998 | Korean Language and Literature | |
| 1001-3207 | Chinese Language and Literature | |
| 5001-7511 | Oceanic Languages and Literatures | |
| 8000-8814 | Africna Languages and Literatures | |
| PM | 1-9021 | Hyperborean, Indian, and Artificial Languages |
| 1-95 | Hyperborean Languages of America | |
| 101-7356 | American Indian Languages | |
| 8001-9021 | Artificial Languages | |
| PN | 1-6790 | Literary History and Collections (General) |
| 80-99 | Criticism | |
| 101-245 | Authorship | |
| 441-1009.5 | Literary History | |
| 1010-1551 | Poetry | |
| 1560-1590 | The Performing Arts, Show Business | |
| 1600-3307 | Drama | |
| 1660-1693 | Dramatic Composition | |
| 1865-1999 | Special Types of Drama | |
| 2000-3307 | Dramatic Representation, The Theater | |
| 3311-3503 | Prose, Proce Fiction | |
| 4001-4355 | Oratory, Elocution, Recitations, etc. | |
| 4400 | Letters | |
| 4500 | Essays | |
| 4699-5650 | Journalism | |
| 6010-6790 | Collections of General Literature | |
| 6080-6095 | Quotations | |
| 6099-6110 | Poetry | |
| 6110.5-6120 | Drama | |
| 6120.15-6120.95 | Fiction | |
| 6121-6129 | Orations | |
| 6130-6140 | Letters | |
| 6141-6145 | Essays | |
| 6147-6231 | Wit and Humor, Satire | |
| 6249-6790 | Miscellaneous | |
| PQ | 1-9999 | Romance Literatures |
| 1-3999 | French Literature | |
| 4001-5999 | Italian Literature | |
| 6001-8929 | Spanish Literature | |
| 9000-9999 | Portuguese Literature | |
| PR | 1-9680 | English Literature |
| PS | 1-3576 | American Literature |
| PT | 1-9999 | Germanic Literature |
| 1-4897 | German Literature | |
| 5001-5980 | Dutch Literature | |
| 6000-6471 | Flemish Literature | |
| 6500-6592.36 | Afrikaans Literature | |
| 7001-9999 | Scandinavian Literatures | |
| 7001-7099 | General Works | |
| 7101-7338 | Old Norse, Old Icelandic | |
| 7351-7550 | Modern Icelandic Literature | |
| 7601-8260 | Danish Literature | |
| 8301-9155 | Norwegian Literature | |
| 9201-9999 | Swedish Literature | |
| PZ | 5-90 | Juvenile Belles Lettres (All Languages) |
To the Library of Congress Classification index

