| Oafr |
African studies |
| Oafr Sanakirjat |
Dictionaries (reference only) |
| Oe |
Ethiopia |
| Oq |
Hamic languages |
| Oä |
Egyptology |
| Ob |
Assyriology |
| Oc |
Comparative Semitic linguistics |
| Os |
Syriac and Aramaic |
| Ou |
Ugarit |
| Oel |
Elamite |
| Oat |
Arabic texts |
| Oav |
Arabic varia: history, Islamic culture, literature and history |
| Oag |
Arabic grammar books, textbooks |
| Oad |
Arabic dictionaries (reference only) |
| Oht |
Hebraic texts |
| Ohv |
Hebrew varia: Judaism, history of literature, etc |
| Oi 1 |
Iranian: Old and Central Iranian languages |
| Oi 2 |
Iranian: New Iranian languages |
| Oi 3 |
Iranian: Pre-Islamic time (history/culture) |
| Oi 4 |
Iranian: Islamic time (history/culture) |
| Oi Sanakirjat |
Iranian: Dictionaries and reference books (reference only) |
| Ov |
Varia |
| Om 1 |
Comparative Altaic studies |
| Om 2 |
Peoples of Siberia and Central Asia |
| Om 3 |
Mongolian |
| Om 4 |
Buryat |
| Om 5 |
Daguor |
| Om 6 |
Monguor |
| Om 7 |
Moghol |
| Om 8 |
Oirat |
| Om 9 |
Kalmyk |
| Om 10 |
Comparative Mongolian and other Mongolian languages |
| Om 11 |
Manchu |
| Om 12 |
Jurchen |
| Om 13 |
Goldi (Nanai) |
| Om 14 |
Olcha |
| Om 15 |
Oroch |
| Om 16 |
Orok |
| Om 17 |
Udege |
| Om 18 |
Tungusic (Evenki) |
| Om 19 |
Lamut (Even) |
| Om 20 |
Solon |
| Om 21 |
Negidal |
| Om 22 |
Samagir |
| Om 23 |
Comparative Tungusic and other Tungusic languages |
| Om 24 |
Turkish (Contemporary Turkish, Ottoman Turkish) |
| Om 25 |
Gagauz |
| Om 26 |
Azerbaijani |
| Om 27 |
Turkmen |
| Om 28 |
Karachay-Balkar |
| Om 29 |
Kumyk |
| Om 30 |
Bashkir |
| Om 31 |
Tatar (Volga Tatar) |
| Om 32 |
Nogai |
| Om 33 |
Kazakh and Karakalpak |
| Om 34 |
Kyrgyz |
| Om 35 |
Central Turkish languages |
| Om 37 |
Uzbek |
| Om 38 |
Modern Uyghur (Eastern Turki, Taranchi) |
| Om 39 |
Old Turkish |
| Om 40 |
Tuva, tofa |
| Om 41 |
Yakut |
| Om 42 |
Khakas |
| Om 43 |
Altai (Oirot) |
| Om 44 |
Bulgar (Volga and Danubian Bulgar) |
| Om 45 |
Chuvash |
| Om 46 |
Karaim |
| Om 47 |
Comparative Turkology and other Turkish languages |
| Om 48 |
North-eastern Siberians, Eskimos, American Indians |
| Om 53 |
Tibetan, Tangut |
| Om 54 |
South-East Asia, Oceania and Australian |
| Om 500 |
Korean reference books (reference only) |
| Om 501 |
Korean dictionaries (reference only) |
| Om 502 |
Korean textbooks |
| Om 503 |
Korean philology |
| Om 504 |
Korean literature |
| Om 505 |
Korean literary research |
| Om 506 |
Korean history |
| Om 507 |
Korean cultural history and art |
| Om 508 |
Korean religion and philosophy |
| Om 509 |
Korean society |
| Om 510 |
Japanese reference books (reference only) |
| Om 511 |
Japanese dictionaries (reference only) |
| Om 512 |
Japanolese textbooks |
| Om 513 |
Japanese philology |
| Om 514 |
Japanese literature |
| Om 515 |
Japanese literary research |
| Om 516 |
Japanese history |
| Om 517 |
Japanese cultural history |
| Om 518 |
Japanese religion and philosophy |
| Om 519 |
Japanese society |
| Om 520 |
Chinese reference books (reference only) |
| Om 521 |
Chinese dictionaries (reference only) |
| Om 522 |
Chinese textbooks |
| Om 523 |
Chinese philology |
| Om 525 |
Chinese literary research |
| Om 526 |
Chinese history |
| Om 527 |
Chinese cultural history and art |
| Om 528 |
Chinese religion and philosophy |
| Om 529 |
Chinese society |
| Om 55 |
Asia, general |
| O> |
Varia: large books |
| Oi> |
Iranian: large books |
| Om> |
East and Central Asia: large books |
| Oä> |
Egyptology: large books |
| Oys> |
South Asia: large books |
| OYs 1 |
Indian philology: reference books |
| OYs 2 |
Veda literature |
| OYs 3 |
Hindu literature |
| OYs 4 |
Buddhist literature |
| OYs 5 |
Jainism literature |
| OYs 8 |
Indian literary history |
| OYs 9 |
South Asian history, culture, religions and philosophy |
| OYs 10 |
Sanskrit linguistics |
| OYs 11 |
Middle Indo-Aryan languages |
| OYs 12 |
Bengali |
| OYs 13 |
Hindi and Urdu |
| OYs 15 |
Other Indo-Aryan languages |
| OYs 16 |
Dravidian languages |
| OYs 17 |
Munda languages, Andamanese languages, Burushaski |
| OYs 19 |
Comparative Indo-European linguistics |
| OYs 20 |
Hittite |
| OYs 21 |
Tocharian |