- Series: Seymour Alcolaya Series Record # 36736
- Sub-series of: Perry Rhodan Universe
- Seymour Alcolaya
- 1 Der Einsame von Terra (1966) by Hans Kneifel
- 2 Die Spur nach Andromeda (1966) by Hans Kneifel
- 3 Die Schatten des kristallenen Todes (1967) by Hans Kneifel