| Comments | Helpful | |
|---|---|---|
| Football and the First World War | 0 | 0% |
| Prisoners of the First World War | 0 | 0% |
| ”1914-2014 – 100 Jahre erster Weltkrieg” | 0 | 0% |
| International Encyclopedia of the First World War | 0 | 100% |
| NBS – Veliki rat | 0 | 100% |
| Combined Arms Research Library | 0 | 0% |