1. Orania; Urania: 10.05.1940 Type: programme Subject: Katakomby / Katakomben Language: Czech and German Description: 5, 7, 9. hod. II. týden. Rights: Creative Commons BY 4.0
2. Orania; Urania: 20.09.1940 Type: programme Subject: Katakomby / Katakomben Language: Czech and German Description: O půl 5., půl 7., půl 9. hod. Rights: Creative Commons BY 4.0
3. Orania; Urania: 30.01.1942 Type: programme Subject: Katakomby / Katakomben Language: Czech and German Description: 1/4 5. 1/2 7., 3/4 9 hod. Rights: Creative Commons BY 4.0