K. R. · Lord Omar Khayyam Ravenhurst · Omar K. Ravenhurst · Omar Khayyam
CreateSpace Independent Publishing Platform · Illuminet Pr
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Principia Discordia | 978-1-4610-8777-9 (1-4610-8777-5) | 2011 | Malaclypse the Younger |
| Principia Discordia | 978-0-9626534-2-1 (0-9626534-2-X) | 1991 | |
| Principia Discordia | 978-1-55950-040-1 (1-55950-040-9) | 1980 | Malaclypse The Younger |