| Comments | Helpful | |
|---|---|---|
| David Rumsey Historical Map Collection | 0 | 100% |
| Ψηφιακή Πύλη Αρχείων 1922 | 0 | 100% |
| Vienna Memento Wien | 0 | 0% |
| Рериховская энциклопедия | 0 | 0% |
| Промяната 1989. Преди и след | 0 | 100% |
| Mapping Early American Elections | 0 | 0% |
| Anemi – Digital Library of Modern Greek Studies | 0 | 0% |
| European Digital Treasures | 0 | 83% |
| Ups and Downs, Highs and Lows… | 0 | 0% |
| Yerusha | 0 | 100% |