- Series: Bert Pratt Series Record # 54639
- Sub-series of: Sun Koh Universe
- 3 Bert Pratt
- 1
Atombrand am Südpol?Atombrand am Suedpol(1961) [SF] byPaul Alfred Müller?Paul Alfred Mueller[only as by Freder van Holk]
- 2
Turm der Stürme?Turm der Stuerme(1961) [SF] byPaul Alfred Müller?Paul Alfred Mueller[only as by Freder van Holk]
- 3
Das Geheimnis des Zyklotrons (1962) [SF]
by
Paul Alfred Müller?Paul Alfred Mueller[only as by Freder van Holk]
- 4
Der schwarze Kaiser (1962) [SF]
by
Paul Alfred Müller?Paul Alfred Mueller[only as by Freder van Holk]
- 1