Entrance of the Red Army into Bulgaria (1944)
This 1944 frontline documentary chronicles the Red Army’s entry into Bulgaria, showing its collaboration with Bulgarian partisans and the expulsion of Nazi occupying forces. Produced as Front-line Special Issue No. 8, it features operators from multiple Soviet documentary units capturing both military advance and civilian reactions. While some sources (e.g. Barnouw) place Roman Grigoryev in a field role, the official credit is for Mariyana Fideleva as director.
Director: Marianna Fideleva
| Directing | Marianna Fideleva | Director |
| Camera | Roman Grigoryev | Camera Operator |