Army War College (U.S.)
Use of Mines in Trench Warfare (From the French School of St. Cyr)
Army War College (U.S.) · 2019
Public domain, Project Gutenberg. No sign-up.
IntrenchmentsMines (Military explosives) -- Warfare
Army War College (U.S.) · 2019
Public domain, Project Gutenberg. No sign-up.