Petrus Akkordeon
Source: "Petrus Akkordeon Bibliography." Author Wars, https://authorwars.com/authors/petrus-akkordeon.html".
Titles:
Interior Art
- Unknown. Möwe & Mann
- Unknown. Möwen
- Unknown. Möwen [2]
- Unknown. Möwenschützerin
- Unknown. Pegasus mit anderem Wasservogel