Letters (Perry Rhodan #408)
From Author Wars - https://authorwars.com/books/letters-perry-rhodan-408-2098665.html
Editions/Publications:
- 1969 . Perry Rhodan, #408: Amoklauf der Mutanten (1969, various, Moewig, DM 0.90, 68 pages, digest, MAGAZINE)
- 1969 . Perry Rhodan, #174: Die Panzerbrecher (1969, various, Moewig, DM 0.90, 68 pages, digest, MAGAZINE)