IRIS 4,913 Sraithuimhir 2,643 Doiciméad rialtais 382 LEABHAR 249 Nuachtán 109 Leictreonach 55 Trealamh 46 Imeacht comhdhála 20 Ábhar tagartha 5 Alt 4 Tráchtas 4 LÁMHSCRÍBHINN 1 Anaithnid 1 breathnaigh ar gach rud ...

D - Stair an Domhain 1,537 H - Eolaíocht Shóisialta 901 P - Teanga agus Litríocht 371 A - Saothair Ghinearálta 255 Z - Eolaíocht Leabharlainne 255 N - Mínealaíona 179 Q - Eolaíocht 174 J - Eolaíocht Pholaitiúil 155 K - Dlí 135 L - Oideachas 122 T - Teicneolaíocht 122 M - Ceol 116 B - Fealsúnacht, Síceolaíocht, Creideamh 110 G - Tíreolaíocht, Antraipeolaíocht, Áineas 98 U - Eolaíocht Mhíleata 89 S - Talmhaíocht 86 C - Eolaíochtaí Stairiúla 44 R - Leigheas 40 E - Stair na Stát Aontaithe 20 F - Stair Ghinearálta Mheiriceá 13 V - Eolaíocht Chabhlaigh 13 breathnaigh ar gach rud ...

United States Joint Publications Research Service 290 United States Foreign Broadcast Information Service 233 Moskovskiĭ gosudarstvennyĭ universitet im. M.V. Lomonosova 52 Soviet Union Ministerstvo kulʹtury 51 Akademii︠a︡ nauk SSSR 50 Institut zur Erforschung der UdSSR 50 United States Department of Agriculture. Economic Research Service 41 Vsesoi︠u︡znai︠a︡ knizhnai︠a︡ palata 40 RFE/RL 38 Moskovskiĭ gosudarstvennyĭ universitet im. M.V. Lomonosova 36 Sakharov Library Collection (University of Pennsylvania) 34 Institut istorii (Akademii︠a︡ nauk SSSR) 32 Soviet Union 32 Gosudarstvennai︠a︡ biblioteka SSSR imeni V.I. Lenina 30 Soviet Union T︠S︡entralʹnoe statisticheskoe upravlenie 30 Vsesoi͡uznai͡a knizhnai͡a palata 30 Vsesoi︠u︡znyĭ t︠s︡entralʹnyĭ sovet professionalʹnykh soi︠u︡zov 30 Institut nauchnoĭ informat︠s︡ii po obshchestvennym naukam (Akademii︠a︡ nauk SSSR) 29 Commonwealth of Independent States Statistical Committee 28 Akademii͡a nauk SSSR 27 Soi︠u︡z pisateleĭ SSSR 27 T︠S︡K KPSS 27 Soviet Union Ministerstvo oborony 26 Leningradskiĭ gosudarstvennyĭ universitet imeni A.A. Zhdanova 25 Soviet Union Ministerstvo vysshego i srednego spet︠s︡ialʹnogo obrazovanii︠a︡ 23 Soviet Union T͡Sentralʹnoe statisticheskoe upravlenie 23 United States World Agricultural Outlook Board 23 Vsesoi︠u︡znyĭ leninskiĭ kommunisticheskiĭ soi︠u︡z molodezhi T︠S︡entralʹnyĭ komitet 23 Rossiĭskai︠a︡ akademii︠a︡ nauk 22 Soviet Union Ministerstvo selʹskogo khozi︠a︡ĭstva 22 breathnaigh ar gach rud ...

Russian 5,803 English 2,046 French 204 German 198 Yiddish 97 Ukrainian 49 Japanese 46 Spanish 46 Hebrew 38 Polish 38 Multiple 34 Chinese 32 Undetermined 30 Italian 24 Czech 20 Georgian 10 Turkish 10 Armenian 8 Norwegian 8 Arabic 6 Swedish 6 Korean 5 Croatian 4 Danish 4 Dutch 4 Estonian 4 Greek 4 Latvian 4 Tatar 4 Azerbaijani 3 breathnaigh ar gach rud ...

20th century 390 Revolution, 1917-1921 279 1985-1991 188 1917-1936 135 1900-1999 118 1945- 91 1953-1985 90 1917-1945 88 1917- 82 1945-1991 82 1917-1921 59 1989- 54 1975-1985 51 1991- 48 Since 1917 45 1900 - 1999 41 1945-1989 39 Since 1989 34 19th century 33 1801-1917 31 1970-1991 30 Since 1945 30 1936-1953 29 1986-1991 27 1894-1917 26 1985 - 1991 26 1985- 24 1939-1945 23 1955-1965 23 1953- 21 breathnaigh ar gach rud ...