History 675 Regimental histories 312 Generals 146 Officers 130 Soldiers 87 World War, 1914-1918 68 World War, 1939-1945 68 more ... Pennsylvania Infantry 66 Biography 65 Campaigns 65 Armed Forces 47 Drill and tactics 46 Histoire 36 Military life 35 Personal narratives 35 Recruiting, enlistment, etc 35 Indians of North America 34 Army 33 Presidents 33 History, Military 32 African American soldiers 31 Registers 31 African Americans 28 Participation, Afro-American 25 African American troops 23 Gettysburg, Battle of, Gettysburg, Pa., 1863 23 Mexican War, 1846-1848 22 Description and travel 20 Presidential candidates 20 Regulations 19 Uniforms 18 Wars 18 Legislators 17 Sources 17 Handbooks, manuals, etc 16 Histoire des unités 16 Participation, African American 16 Campaign biography 14 Draft 14 Medals, badges, decorations, etc 14 less ...