| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| 42cm 'Big Bertha' and German Siege Artillery of WWI | 978-1-78096-017-3 (1-78096-017-4) | 2014 | Martin Rupp |
| Maginot Line 1940: Battles on the French Frontier | 978-1-84603-499-2 (1-84603-499-X) | 2010 | " |
| The Hindenburg Line | 978-1-4728-1479-1 (1-4728-1479-7) | 2016 | Patrick R. Osborn |