Books in World War I (sorted alphabetically by author)
- Over the top with the 25th: Chronicle of events at Vimy Ridge and Courcellette R. Lewis
- Attack: An Infantry Subaltern's Impression of July 1st, 1916 Edward G. D. Liveing
- With the British Army in The Holy Land H. O. Lock
- On the King's Service: Inward Glimpses of Men at Arms Innes Logan
- Food in War Time Graham Lusk
- The Irish at the Front Michael MacDonagh
- The Irish on the Somme Michael MacDonagh
- The Amateur Army Patrick MacGill
- The Red Horizon Patrick MacGill
- The Angels of Mons: The Bowmen and Other Legends of the War Arthur Machen
- The Tale of a Trooper Clutha N. Mackenzie
- The Great Discovery Norman Maclean
- My War Experiences in Two Continents S. Macnaughtan
- Over Here: Impressions of America by a British officer Hector MacQuarrie
- How I Filmed the War Geoffrey H. Malins
- History of the World War, Volume 3 (of 7) : An authentic narrative of the world's greatest war Jr. Francis A. March and Richard J. Beamish
- History of the World War : An authentic narrative of the world's greatest war Jr. Francis A. March and Richard J. Beamish
- The War After the War Isaac Frederick Marcosson
- The world war : a history of the nations and empires involved and a study of the events culminating in the great conflict Logan Marshall
- The Old Front Line John Masefield
- How Jerusalem Was Won W. T. Massey
- General Bramble André Maurois
- The World in Chains: Some Aspects of War and Trade John Mavrogordato
- The Next of Kin: Those who Wait and Wonder Nellie L. McClung
- Three Times and Out Nellie L. McClung and Mervin C. Simmons