Books in World War I (sorted alphabetically by author)
- The Boy Allies on the Firing Line; Or, Twelve Days Battle Along the Marne Clair W. Hayes
- The Boy Allies in the Balkan Campaign; Or, the Struggle to Save a Nation Clair W. Hayes
- The Boy Allies in Great Peril; Or, With the Italian Army in the Alps Clair W. Hayes
- The Boy Allies in the Trenches; Or, Midst Shot and Shell Along the Aisne Clair W. Hayes
- The Boy Allies with Haig in Flanders; Or, the Fighting Canadians of Vimy Ridge Clair W. Hayes
- The First Hundred Thousand: Being the Unofficial Chronicle of a Unit of "K(1)" Ian Hay
- The Willing Horse: A Novel Ian Hay
- Letters to Helen: Impressions of an Artist on the Western Front Keith Henderson
- The Secret Battle A. P. Herbert
- The Blot on the Kaiser's 'Scutcheon Newell Dwight Hillis
- The Fifth Leicestershire John David Hills
- All for a Scrap of Paper: A Romance of the Present War Joseph Hocking
- Letters to "The Times" upon War and Neutrality (1881-1920) Thomas Erskine Holland
- A Yankee in the Trenches Robert Derby Holmes
- The Outdoor Girls in Army Service; Or, Doing Their Bit for the Soldier Boys Laura Lee Hope
- Rebuilding Britain: A Survey of Problems of Reconstruction After the World War Sir Alfred Hopkinson
- With Those Who Wait Frances Wilson Huard
- With the Doughboy in France: A Few Chapters of an American Effort Edward Hungerford
- Turkish Prisoners in Egypt International Committee of the Red Cross
- A Naval Venture: The War Story of an Armoured Cruiser T. T. Jeans
- The Crisis of the Naval War John Rushworth Jellicoe
- A War-time Journal, Germany 1914 and German Travel Notes Lady Harriet Julia Campbell Jephson
- War Letters of a Public-School Boy Henry Paul Mainwaring Jones
- Government Ownership of Railroads, and War Taxation Otto H. Kahn
- Fighting in France Ross Kay