Almanac of World War I by 
Biographical Dictionary of World War I by 
Black Jack by 
Eddie Rickenbacker by 
Famous Generals of the Great War by 
German Knights of the Air, 1914-18 by 
The Illustrated Red Baron by 
Kaiser Wilhelm II - New Interpretations by 
The Red Baron's Last Flight by 
Until the Last Trumpet Sounds by 
Who's Who in World War One by 
Woodrow Wilson and World War I, 1917-1921 by 
