1. Kapitol; Elite Kino: 03.09.1920 Type: programme Subject: O zlomek vteřiny Language: Czech and German Rights: Creative Commons BY 4.0
2. Květen; Vitagraph; Vitagraf; Elektra; Illusion: 15.10.1920 Type: programme Subject: O zlomek vteřiny Language: Czech and German Rights: Creative Commons BY 4.0