R. E. · Robert C Engen · Robert E.
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Canadians Under Fire: Infantry Effectiveness in the Second World War | 978-0-7735-3626-5 (0-7735-3626-4) | 2009 |
| Strangers in Arms: Combat Motivation in the Canadian Army, 1943-1945 | 978-0-7735-4725-4 (0-7735-4725-8) | 2016 |