Perry Rhodan
3. Galactic Alarm (1969) (with W W Shols)
4. Invasion from Space (1970) (with Walter Ernsting)
5. The Vega Sector (1970) (with Walter Ernsting and K H Scheer)
10. The Ghosts of Gol (1971)
11. The Planet of the Dying Sun (1972)
14. Venus in Danger (1972)
17. The Venus Trap (1972)
18. Menace of the Mutant Master (1972)
22. The Fleet of the Springers (1973)
23. Peril on Ice Planet (1973)
27. Planet of the Gods (1973)
30. To Arkon! (1973)
35. Beware the Microbots (1973)
39. The Silence of Gom (1974)
45. Unknown Sector: Milky Way (1974)
49. Solar Assassins (1974)
51. Return from the Void (1974)
54. The Blue Dwarfs (1974)
58. The Guardians (1974)
60. Dimension Search (1974)
61. Death Waits in Semispace (1975)
64. Ambassadors from Aurigel (1975)
65. Renegades of the Future (1975)
71. The Atom Hell of Grautier (1975)
72. Caves Of The Druufs (1975)
74. Checkmate: Universe (1975)
85. Enemy in the Dark (1975)
94. Action: Division 3 (1976)
95. The Plasma Monster (1976)
98. The Idol from Passa (1976)
100. Desert of Death's Domain (1976)
105. Wonderflower of Utik (1976)
110. Sgt. Robot (1977)
114. Death's Demand (1977)

Perry Rhodan Atlan
2. Flight from Tarkihl (1977)
2. Menace of Atomigeddon (1977)