Articles (6)
| Title | Pages | Publication | Code | Date | Publisher | System (Setting) | |
|---|---|---|---|---|---|---|---|
 The Madman | B:77-78 |  Call of Cthulhu | CHA2009-X | 1981 | Chaosium | Call of Cthulhu (Classic) | Vermont; Mi-Go |
| The Madman | A:84-85 | Call of Cthulhu | CHA2301-X | 1983 | Chaosium | Call of Cthulhu (Classic) | Vermont; Mi-Go |
| The Madman | 87-88 |  Call of Cthulhu | CHA2317-H | 1986 | Chaosium | Call of Cthulhu (Classic) | Vermont; Mi-Go |
| The Madman | 174-177 |  Call of Cthulhu | CHA2336 | 1992 | Chaosium | Call of Cthulhu (Classic) | Vermont; Mi-Go |
| The Madman | 233-236 | Call of Cthulhu | CHA2386 | 1999 | Chaosium | Call of Cthulhu (Classic) | Vermont; Mi-Go |
| The Madman | 265-269 | Call of Cthulhu | CHA23106 | 2005 | Chaosium | Call of Cthulhu (Classic) | Vermont; Mi-Go |