| Comments | Helpful | |
|---|---|---|
| Doing History in Public | 0 | 100% |
| Русская Сербия | 0 | 100% |
| Динамика экономического и социального развития России в XIX – начале ХХ вв | 0 | 0% |
| BER Macrohistory Database | 0 | 0% |
| NS-Dokumentationszentrum München | 0 | 0% |
| Lexikon der Wehrmacht | 0 | 100% |
| Universität Greifswald im Nationalsozialismus | 0 | 0% |
| Nazi Germany (1933-1945) | 0 | 0% |
| Online collection of eyewitness testimonies | 0 | 0% |
| The Belgian War Press | 0 | 0% |