Letters (Perry Rhodan #855)
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Editions/Publications:
- 1978 . Perry Rhodan, #855: Spektrum des Geistes (1978, various, Pabel-Moewig, DM 1.50, 68 pages, digest, MAGAZINE)
- 1978 . Perry Rhodan, #621: Die Zeitkorrektur (1978, various, Pabel-Moewig, DM 1.50, 68 pages, digest, MAGAZINE)
- 1978 . Perry Rhodan, #258: Die Micro-Henker (1978, various, Pabel-Moewig, DM 1.50, 68 pages, digest, MAGAZINE)