| Author: | Waldron, William H. (William Henry), 1877-1947 |
| Subject: | UG, Intrenchments, Siege warfare |
| Format: | Electronic text |
| Date issued: | 2020 |
| Language: | English |
| Publisher: | Project Gutenberg, |
| Rights: | Public domain in the USA. |
| Download link: | Elements of Trench Warfare [electronic resource] / William H. Waldron |