Rudolf Baier
Source: "Rudolf Baier Bibliography." Author Wars, https://authorwars.com/authors/rudolf-baier.html".
Titles:
Essays
- 1981. Letter (Atlan #529)
- 1982. Letter (Perry Rhodan #1086)
- 1994. Die ultimate Frage: "Wo beginnt das Arresum, wo endet das Parresum?"
- 1997. Letter (Perry Rhodan #1870)