| Verfasser | Häufigkeit |
| Ivanov, Atanas Minkov |
2 |
| Beleva, Iskra |
1 |
| Bogdanov, Georgi |
1 |
| Dimitrova, Dimitrina |
1 |
| Doneson, Daniel Adam |
1 |
| Ganchev, Gancho |
1 |
| Genov, Nikolai |
1 |
| Hristoskov, Yordan |
1 |
| Mantarova, Anna |
1 |
| Minkov, Minko |
1 |
| Minkov, Svetozar 1975- |
1 |
| Savova, Diana |
1 |
| Shopov, Georgi |
1 |
| Todorova, Diana Savova |
1 |
| Trout, Bernhardt L. |
1 |
| Zaharieva, Mariana |
1 |