History 775 Campaigns 717 Republican 251 Campaign literature 211 Politics and government 208 Democratic 181 Regimental histories 93 more ... Slavery 86 Presidents 74 Generals 72 Military campaigns 69 Whig 53 World War, 1914-1918 50 Campaign literature, 1864 49 Campagnes et batailles 48 Gettysburg Campaign, 1863 45 Campaign literature, 1856 42 Histoire 42 World War, 1939-1945 40 Personal narratives 38 Campaign literature, 1860 36 Braddock's Campaign, 1755 35 Extension to the territories 35 Officers 35 Elections 31 Campaign biography 30 Campaign literature, 1840 30 Election 29 Sullivan's Indian Campaign, 1779 29 History, Military 25 Presidential candidates 25 Gettysburg, Battle of, Gettysburg, Pa., 1863 22 Campaigns and battles 21 Communist 21 Indians of North America 21 Peninsular Campaign, Va., 1862 21 Military leadership 18 Wars 18 Biography 16 Controversial literature 16 less ...