| Author: | Bertrand, Georges Etienne, 1885-1958 |
| Subject: | UG, Intrenchments |
| Format: | Text |
| Date issued: | 2019 |
| Language: | English |
| Publisher: | Project Gutenberg, |
| Rights: | Public domain in the USA. |
| Download link: | Tactics and Duties for Trench Fighting [electronic resource] / Georges Etienne Bertrand |