Letters (Perry Rhodan #1031)
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Editions/Publications:
- 1981 . Perry Rhodan, #1031: Mission Zeitbrücke (1981, various, Pabel-Moewig, DM 1.80, 68 pages, digest, MAGAZINE)
- 1981 . Perry Rhodan, #797: Planet der Leibwächter (1981, various, Pabel-Moewig, DM 1.80, 68 pages, digest, MAGAZINE)
- 1981 . Perry Rhodan, #434: Das Erbe des Ertrusers (1981, various, Pabel-Moewig, DM 1.80, 68 pages, digest, MAGAZINE)