IRIS 3,523 Sraithuimhir 1,935 Doiciméad rialtais 210 LEABHAR 190 Nuachtán 104 Trealamh 40 Leictreonach 33 Imeacht comhdhála 15 Ábhar tagartha 4 Alt 3 LÁMHSCRÍBHINN 1 breathnaigh ar gach rud ...

D - Stair an Domhain 933 H - Eolaíocht Shóisialta 622 P - Teanga agus Litríocht 300 A - Saothair Ghinearálta 222 Z - Eolaíocht Leabharlainne 213 N - Mínealaíona 162 Q - Eolaíocht 145 J - Eolaíocht Pholaitiúil 115 T - Teicneolaíocht 111 M - Ceol 103 L - Oideachas 98 K - Dlí 94 G - Tíreolaíocht, Antraipeolaíocht, Áineas 89 S - Talmhaíocht 75 B - Fealsúnacht, Síceolaíocht, Creideamh 71 U - Eolaíocht Mhíleata 59 C - Eolaíochtaí Stairiúla 38 R - Leigheas 22 V - Eolaíocht Chabhlaigh 11 E - Stair na Stát Aontaithe 7 F - Stair Ghinearálta Mheiriceá 6 breathnaigh ar gach rud ...

United States Joint Publications Research Service 187 United States Foreign Broadcast Information Service 153 Moskovskiĭ gosudarstvennyĭ universitet im. M.V. Lomonosova 50 Soviet Union Ministerstvo kulʹtury 49 Akademii︠a︡ nauk SSSR 43 Vsesoi︠u︡znai︠a︡ knizhnai︠a︡ palata 39 Moskovskiĭ gosudarstvennyĭ universitet im. M.V. Lomonosova 33 Institut istorii (Akademii︠a︡ nauk SSSR) 32 Gosudarstvennai︠a︡ biblioteka SSSR imeni V.I. Lenina 30 Vsesoi͡uznai͡a knizhnai͡a palata 30 Soviet Union 29 Soviet Union T︠S︡entralʹnoe statisticheskoe upravlenie 29 Commonwealth of Independent States Statistical Committee 27 Institut nauchnoĭ informat︠s︡ii po obshchestvennym naukam (Akademii︠a︡ nauk SSSR) 27 Soviet Union Ministerstvo oborony 26 Vsesoi︠u︡znyĭ t︠s︡entralʹnyĭ sovet professionalʹnykh soi︠u︡zov 26 Leningradskiĭ gosudarstvennyĭ universitet imeni A.A. Zhdanova 25 T︠S︡K KPSS 25 Akademii͡a nauk SSSR 24 Sakharov Library Collection (University of Pennsylvania) 24 Soi︠u︡z pisateleĭ SSSR 24 Soviet Union Ministerstvo vysshego i srednego spet︠s︡ialʹnogo obrazovanii︠a︡ 23 Vsesoi︠u︡znyĭ leninskiĭ kommunisticheskiĭ soi︠u︡z molodezhi T︠S︡entralʹnyĭ komitet 23 Soviet Union Ministerstvo selʹskogo khozi︠a︡ĭstva 22 Rossiĭskai︠a︡ akademii︠a︡ nauk 21 Soviet Union Glavnoe arkhivnoe upravlenie 21 Soviet Union T͡Sentralʹnoe statisticheskoe upravlenie 21 Institut nauchnoĭ informat︠s︡ii po obshchestvennym naukam (Akademii︠a︡ nauk SSSR) 19 Partīi︠a︡ sot︠s︡īalistov-revoli︠u︡t︠s︡īonerov 19 T͡SK KPSS 19 breathnaigh ar gach rud ...

20th century 334 Revolution, 1917-1921 254 1900-1999 104 1917-1936 102 1985-1991 99 1917-1945 60 1917-1921 53 1945-1991 51 1917- 44 1953-1985 44 1945- 40 1900 - 1999 36 1991- 33 19th century 32 Since 1917 31 1801-1917 28 1894-1917 24 1970-1991 21 1936-1953 20 1986-1991 19 1955-1965 17 1917 - 1921 15 1945-1989 15 1939-1945 14 1975-1985 14 Revolution, 1905-1907 13 1965-1975 12 Since 1945 12 21st century 11 1917-1970 10 breathnaigh ar gach rud ...