- Author: Heller Jan
- Language: Czech
- Year: 2010
- Author: Heller Jan, Nesrovnal Pravoslav
- Language: Czech
- Year: 1994
- Author: Heller Jan
- Language: Czech
- Year: 2010
- Author: Heller Jan
- Language: Czech
- Year: 1995
- Author: Heller Jan
- Language: Czech
- Year: 1994