Haber LF The Poisonous Cloud: Chemical Warfare in the First World War. 1986
Whalen, Robert W. “Bitter Wounds: German Victims of the Great War, 1914-1939.” Ithica 1982
Barnes, Harry Elmer The Genesis of the World War; an Introduction to the Problem of War Guilt NY 1929.
and In Quest of Truth and Justice; Debunking The War Guilt Myth Chicago 1928.
Army art of World War I. U.S. Army Center of Military History: Smithsonian Institution, National Museum of American History. 1993
American Battle Monuments Commission American armies and battlefields in Europe: a history, guide, and reference book. 1938
Ellis John, Cox Michael The World War I Databook: The Essential Facts and Figures for All the Combatants. 2002
Esposito Vincent J (1997). The West Point Atlas of American Wars: 1900–1918
Coffman, Edward M The War to End All Wars: The American Military Experience in World War I. 1998
Baker, David. Manfred von Richthofen: The Man and the Aircraft He Flew. McGregor, Minnesota: Voyageur Press, 1991.
O’Connor, Neal W. The Aviation Awards of the Grand Duchies of Baden and Oldenburg (Foundation of Aviation World War I -
Aviation Awards of Imperial Germany in World War I and the Men Who Earned Them – Volume VI. Stratford, Connecticut: Flying Machines Press, 1999
Testament of Youth by Vera Brittain 1933
Falsehood in Wartime: Propaganda Lies of the First World War by Arthur Ponsonby