Holger Schreiner
Source: "Holger Schreiner Bibliography." Author Wars, https://authorwars.com/authors/holger-schreiner.html".
Titles:
Essays
- 1989. Letter (Perry Rhodan #1471)
- 1989. Kreuzworträtsel
- 1991. Letter (Perry Rhodan #1575)
- 1994. Letter (Perry Rhodan #1713)
- 1994. Letter (Perry Rhodan #1740)
- 1999. Letter (Perry Rhodan #1979)
- 1999. Letter: Forum: PR als Film
- 2011. Letter (Perry Rhodan #2604)
- 2011. Letter (Perry Rhodan #2609)
- 2012. Letter (Perry Rhodan #2646)