1. Květen; Vitagraph; Vitagraf; Elektra; Illusion: 16.03.1945 Type: programme Subject: Cirkus Renz / Zirkus Renz Language: Czech and German Description: 6, 8. Rights: Creative Commons BY 4.0
2. Květen; Vitagraph; Vitagraf; Elektra; Illusion: 22.05.1929 Type: programme Subject: Cirkus Renz / Zirkus Renz Language: Czech and German Rights: Creative Commons BY 4.0