- World War, 1914-1918 + Naval operations
- World War, 1914-1918 + Civilian relief
- World War, 1914-1918 + Conscientious objectors
- World War, 1914-1918 + War work
- World War, 1914-1918 + Economic aspects
- World War, 1914-1918 + Regimental histories + 101st Infantry
- World War, 1914-1918 + History
- World War, 1914-1918 + Moral and ethical aspects
- World War, 1914-1918 + Participation, Mexican American
- World War, 1914-1918 + Refugees
- World War, 1914-1918 + Hospitals
- Aristocracy (Social class) + World War, 1914-1918
- World War, 1914-1918 + Missing in action
- World War, 1914-1918 + Atrocities
- World War, 1914-1918 + Trench warfare
- World War, 1914-1918 + Armistices
- World War, 1914-1918 + Prisoners and prisons, Turkish
- World War, 1914-1918 + Literature and the war
- World War, 1914-1918 + Chemical warfare
- World War, 1914-1918 + Aerial operations
- World War, 1914-1918 + Science
- World War, 1914-1918 + Military intelligence
- World War, 1914-1918 + African Americans
- World War, 1914-1918 + Veterans + Crimes against
- World War, 1914-1918 + Women
- World War, 1914-1918 + Naval operations, American
- World War, 1914-1918 + Aerial operations, French
- World War, 1914-1918 + Art and the war
- World War, 1914-1918 + Law and legislation
- World War, 1914-1918 + Participation, African American
- World War, 1914-1918 + Camouflage
- World War, 1914-1918 + Prisoners and prisons
- World War, 1914-1918 + Prisoners and prisons, German
- World War, 1914-1918 + Causes
- World War, 1914-1918 + Medical care
- World War, 1914-1918 + Libraries
- World War, 1914-1918 + Propaganda
- World War, 1914-1918 + Participation, Indian