[en] [Gutenberg 61330] • Elements of Trench Warfare Kessinger Publishing
[en] [Gutenberg 61519] • Trench Warfare: A Manual for Officers and Men Theclassics.Us
[en] [Gutenberg 61058] • Notes on Training for Rifle Fire in Trench Warfare Palala Press
[en] [Gutenberg 41426] • Annals of a Fortress Greenhill Books
[en] 42cm "Big Bertha" and German Siege Artillery of World War I Osprey Publishing
[en] A Poet and Bin-Laden Glagoslav Publications