R. F. · Roman Freiding · Roman Frodyma · Roman Frydman
| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Dignifying Science: Stories About Women Scientists | 978-0-9660106-4-0 | 2003 | Jim Ottaviani · Donna Barr · Mary Fleener |
| Showcase Presents Aquaman 2 | 978-1-4012-1712-9 | 2008 | Jack Miller |
| Showcase Presents: Aquaman, Vol. 1 | 978-1-4012-1223-0 | 2007 | Jack Miller · Robert Bernstein · Nick Cardy |
| Showcase Presents: Super Friends | 978-1-84856-255-4 | 2020 | E.Nelson Bridwell |
| The Gnostic Faustus: The Secret Teachings behind the Classic Text | 978-1-59477-204-7 | 2007 | |
DC Comics · G.T. Labs · Titan Books Ltd