History 483 Bibliography 334 Libraries 113 Publishers and publishing 104 Russian literature 80 Book industries and trade 77 Censorship 60 more ... Sources 52 Bibliographie 47 Books 47 Catalogs 47 Manuscripts 44 Histoire 43 Politics and government 43 Books and reading 41 Printing 40 Foreign relations 35 Library science 31 History and criticism 30 Jews 30 Periodicals 28 Economic conditions 27 Book collectors 23 Communism 22 Rare books 22 Imprints 21 Biography 20 Underground literature 20 World War, 1939-1945 20 Library resources 19 less ...