1. Čas; Apollo-Kino; O. P. Aktualitätenkino; Aktualita; Ufa OP – kino aktualit; Ohne Pause (OP Kino); Apollo: 08.05.1923 Type: programme Subject: Harry Piel / Harry Piel Language: Czech and German Rights: Creative Commons BY 4.0
2. Květen; Vitagraph; Vitagraf; Elektra; Illusion: 06.09.1925 Type: programme Subject: Harry Piel / Harry Piel Language: Czech and German Rights: Creative Commons BY 4.0