S. C. Ringgenberg
Source: "S. C. Ringgenberg Bibliography." Author Wars, https://authorwars.com/authors/s-c-ringgenberg.html".
Pseudonyms:
Titles:
Essays
- Unknown. About the Artist (Swordsmen and Saurians)
- 2009. The Afternoon I Had Coffee with Flash Gordon and Doc Savage (No, Really!)