| RefNo | Title | Date |
| XZF/7/91 | Lubomir Kafka | n.d. |
| XZF/7/92 | Jana Kurova and Lubomir Kafka | n.d. |
| HB/F/4/124 | International Ballet Competition - Varna \ 1976 \ Hanna Vlachilova and Lubomir Kafka | 1976 |
| HB/F/4/125 | International Ballet Competition - Varna \ 1976 \ Hanna Vlachilova and Lubomir Kafka | 1976 |