1. Jas Hussowitz; Jas; Bio Jas: 16.10.1929 Type: programme Subject: Pevnost Ivangorod Language: Czech and German Rights: Creative Commons BY 4.0
2. Vlast; Atlantik: 11.10.1929 Type: programme Subject: Pevnost Ivangorod Language: Czech and German Rights: Creative Commons BY 4.0