Referred to in articles
- African American Soldiers (USA)
- Baruch, Bernard Mannes
- Beckmann, Max
- Bullard, Robert Lee
- Centenary (Poland)
- Centenary (Visual Arts)
- Commission for Relief in Belgium (CRB)
- Conscientious Objectors
- Creel, George
- Dada
- De Valera, Éamon
- Donovan, William J.
- Drum, Hugh Aloysius
- Du Bois, W.E.B.
- Ethnic Minorities at War (USA)
- Feminist Pacifism
- Film/Cinema
- Fosdick, Raymond B.
- Ghadar Conspiracy
- Gregory, Thomas Watt
- Hoover, Herbert
- House of Morgan
- House, Edward Mandell
- Influenza Pandemic
- Kerenskii, Aleksandr Fedorovich
- Koo, V. K. Wellington
- Labour Movements, Trade Unions and Strikes (USA)
- Lansing, Robert
- Lejeune, John Archer
- Lusitania, Sinking of
- MacArthur, Douglas
- McAdoo, William Gibbs
- Mitchell, William
- Morgenthau, Henry, Sr.
- Naval Blockade (of Germany)
- Nolan, Dennis E.
- Paderewski, Ignacy Jan
- Pre-war Military Planning (USA)
- Red Scare
- Schalek, Alice
- Science and Technology (Austria-Hungary)
- Sea Transport and Supply
- Selective Service Act
- Social Conflict
- Social Conflict and Control, Protest and Repression (USA)
- State, Civil Society and Relief Organizations for War
- The Military at Home
- Toller, Ernst
- Trotsky, Leon
- U.S. Race Riots
- War Finance
- Whittlesey, Charles White
- Wiegand, Karl Henry von
- Women's Mobilization for War (USA)
- York, Alvin Cullum
- Štefánik, Milan Rastislav
