1. Christa Hartungen / Christa Hartungen Creator: Biebrach, Rudolf Publisher: Messter Film GmbH (Berlin) Format: audiovisual material Type: movie Rights: Creative Commons BY 4.0
2. Horský vzduch / Höhenluft Creator: Biebrach, Rudolf Publisher: Messter Film GmbH (Berlin) Format: audiovisual material Type: movie Rights: Creative Commons BY 4.0