- Электронная книгаSpecimens of British Trench OrdersArmy War College
- Электронная книгаSpecimens of British Trench OrdersArmy War College
- Электронная книгаUse of Mines in Trench Warfare (From the French School of St. Cyr)Army War College
- Электронная книгаUse of Mines in Trench Warfare (From the French School of St. Cyr)Army War College