Die schwarze Kugel oder Die geheimnisvollen Schwestern
| Year | 1913 |
|---|---|
| Country | Germany |
| Director | Franz Hofer |
| Scriptwriters | Franz Hofer |
| Produced | Christian SchwalbeSabine Tomek |
| Music | Bernd Thewes |
| Genres | Short filmDrama |
| Release Date | October 26, 1913 |
| Runtime | 39 min. |