History 4,813 World War, 1914-1918 1,000 World War, 1939-1945 956 Regimental histories 748 Politics and government 522 Campaigns 473 Personal narratives 245 more ... Indians of North America 240 Histoire 230 Civil War 228 Wars 227 Soldiers 208 Causes 190 Foreign relations 180 War 174 Naval operations 147 Biography 131 Slavery 115 Sources 113 Japanese Americans 109 Generals 106 African Americans 105 Guerre mondiale, 1939-1945 104 Guerre mondiale, 1914-1918 100 Mexican War, 1846-1848 99 Registers 98 Officers 88 Prisoners and prisons 87 Women 85 Civil war 79 Pennsylvania Infantry 79 Jews 78 Economic aspects 75 Description and travel 72 Forced removal and internment, 1942-1945 72 Peace 72 Societies, etc 72 Refugees 70 Atrocities 68 Gettysburg, Battle of, Gettysburg, Pa., 1863 68 less ...