History 253 Polish Americans 145 Polish people 144 World War, 1939-1945 88 Jews 61 Histoire 54 Societies, etc 53 more ... Periodicals 52 Politics and government 44 Emigration and immigration 40 Foreign relations 33 Political activity 31 Civilian relief 24 Civilization 23 Genealogy 23 Diplomatic relations 22 Guerre mondiale, 1939-1945 22 Holocaust, Jewish (1939-1945) 22 Juifs 20 Anniversaries, etc 19 Américains d'origine polonaise 18 Description and travel 18 Relations 18 Social life and customs 18 World War, 1914-1918 16 Ethnic relations 15 Civilian war relief 14 Travel 14 Economic conditions 13 Foreign countries 13 Generals 13 International relations 13 Ukrainians 13 Atrocities 12 Polonais 12 Church history 11 Study and teaching 11 Bibliography 10 Biography 10 Campaigns 10 less ...