Books in World War I (sorted alphabetically)
- World's War Events, Vol. I
- World's War Events, Vol. II
- world war : a history of the nations and empires involved and a study of the events culminating in the great conflict Logan Marshall
- World War and What was Behind It; Or, The Story of the Map of Europe Louis Paul Bénézet
- Worrying Won't Win Montague Glass
- Yankee in the Trenches Robert Derby Holmes
- Your Boys Gipsy Smith