History 62,344
World War, 1939-1945 18,488
Jews 17,399
Politics and government 15,317
Holocaust, Jewish (1939-1945) 12,005
Foreign relations 6,634
History and criticism 5,329
Relations 4,757
Economic conditions 4,743
Biography 4,711
Ethnic relations 4,443
Social conditions 4,244
Holocaust survivors 3,815
Intellectual life 3,548
Underground movements 3,462
Polish people 3,396
Polish literature 3,316
Histoire 2,729
Social life and customs 2,650
International relations 2,559
Civilization 2,429
Diplomatic relations 2,372
Economic policy 2,370
Church history 2,364
Women 2,363
Sources 2,352
Political science 2,318
Atrocities 2,250
Education 2,178
Persecutions 1,986
Campaigns 1,947
Theater 1,871
Law and legislation 1,837
World War, 1914-1918 1,835
Synagogues 1,808
Antiquities 1,765
Polish language 1,763
Periodicals 1,710
Description and travel 1,677
Social aspects 1,656
Economic history 1,655
Jewish ghettos 1,653
Video tapes 1,647
History, Military 1,641
Political activity 1,624
Study and teaching 1,552
Architecture 1,469
Children 1,413
Art 1,387
Criticism and interpretation 1,385
Emigration and immigration 1,377
Forced labor 1,372
Concentration camps 1,354
Music 1,344
Catholic Church 1,339
Art, Polish 1,319
Nobility 1,309
Economic aspects 1,304
Travel 1,253
Historiography 1,213
Political aspects 1,207
Law 1,202
Authors, Polish 1,180
Bibliography 1,159
Germans 1,158
Communism 1,134
Public opinion 1,133
Jewish children in the Holocaust 1,130
Armed Forces 1,100
Agriculture 1,082
Church and state 1,070
Juifs 1,025
Politicians 1,015
Buildings, structures, etc 993
Guerre mondiale, 1939-1945 990
Manners and customs 987
Regimental histories 985
Statistics 977
Men 972
Prisoners of war 960
Congresses 942
Generals 924
Peasants 918
Clergy 917
Philosophy 912
Boundaries 905
Rabbis 892
Motion pictures 883
Statesmen 878
Soldiers 869
Anti-communist movements 848
Working class 843
Families 842
Prisoners and prisons, German 825
Kings and rulers 818
Excavations (Archaeology) 812
Antisemitism 801
Political prisoners 795
Composers 789
Nationalism 786