Letters (Perry Rhodan #704)
From Author Wars - https://authorwars.com/books/letters-perry-rhodan-704-1665302.html
Editions/Publications:
- 1975 . Perry Rhodan, #704: Die Rebellen von Imperium-Alpha (1975, various, Pabel-Moewig, DM 1.50, 68 pages, digest, MAGAZINE)
- 1975 . Perry Rhodan, #107: Das blaue System (1975, various, Pabel-Moewig, DM 1.50, 68 pages, digest, MAGAZINE)
- 1975 . Perry Rhodan, #470: Testfall MARCO POLO (1975, various, Pabel-Moewig, DM 1.50, 68 pages, digest, MAGAZINE)