1. Boby. Das Rätsel der Gerty Sering.; Boby / Rätsel der Gerty Sering, Das Creator: Ehmann, Karl Publisher: Vita-Film AG (Wien) Format: audiovisual material Type: movie Rights: Creative Commons BY 4.0
2. Pěstní právo / Faustrecht Creator: Ehmann, Karl and Neufeld, Max Publisher: Vicor-Film AG (Berlin) Format: audiovisual material Type: movie Rights: Creative Commons BY 4.0