- EbookAmerican Merchant Ships and SailorsWillis J. (Willis John) Abbot
- EbookAircraft and Submarines The Story of the Invention, Development, and Present-Day Uses of War's Newest WeaponsWillis J. (Willis John) Abbot
- EbookThe Naval History of the United States Volume 1Willis J. (Willis John) Abbot
- EbookThe Naval History of the United States Volume 2Willis J. (Willis John) Abbot