Books in World War I (sorted alphabetically)
- Gallipoli Diary, Volume 1 Ian Hamilton
- Gallipoli Diary, Volume 2 Ian Hamilton
- General Bramble André Maurois
- General Sketch of the European War: The First Phase Hilaire Belloc
- Germany and the Next War Friedrich von Bernhardi
- Glory of the Trenches Coningsby Dawson
- Government Ownership of Railroads, and War Taxation Otto H. Kahn
- Great Britain at War Jeffery Farnol
- Great Discovery Norman Maclean
- Great War As I Saw It Frederick George Scott
- Greece and the Allies, 1914-1922 G. F. Abbott
- Greenmantle John Buchan
- Handy War Guide for My Company: Handy Company Commander's Guide André Godefroy Lionel Hanguillart
- Harwich Naval Forces: Their Part in the Great War E. F. Knight
- Healing of Nations and the Hidden Sources of Their Strife Edward Carpenter
- Hello, soldier!' : Khaki verse Edward Dyson
- Heroic Record of the British Navy: A Short History of the Naval War, 1914-1918 Sir H. H. Bashford and Archibald Hurd
- Hero of Liége: A Story of the Great War Herbert Strang
- High Adventure: A Narrative of Air Fighting in France James Norman Hall
- Hilltop on the Marne Mildred Aldrich
- Hira Singh : when India came to fight in Flanders Talbot Mundy
- History of Ambulance Company Number 139 Various
- History of the American Expedition Fighting the Bolsheviki Joel R. Moore, Harry H. Mead, and Lewis E. Jahns
- History of the American Negro in the Great World War William Allison Sweeney
- History of the World War : An authentic narrative of the world's greatest war Jr. Francis A. March and Richard J. Beamish