Articles (7)
| Title | Pages | Publication | Code | Date | Publisher | System (Setting) | |
|---|---|---|---|---|---|---|---|
 The Case of Mark Edward Morrison | 19-20 |  The Unspeakable Oath | 2 | May 1991 | Pagan Publishing | Call of Cthulhu (Classic) | |
| The Case of Mark Edward Morrison | 30-32 | The Unspeakable Oath | 3 | Aug 1991 | Pagan Publishing | Call of Cthulhu (Classic) | |
| The Case of Mark Edward Morrison | 47-48 | The Unspeakable Oath | 4 | Dec 1991 | Pagan Publishing | Call of Cthulhu (Classic) | |
| The Case of Mark Edward Morrison | 21-22 | The Unspeakable Oath | 5 | May 1992 | Pagan Publishing | Call of Cthulhu (Classic) | |
| The Case of Mark Edward Morrison | 9-10 | The Unspeakable Oath | 7 | Jan 1993 | Pagan Publishing | Call of Cthulhu (Classic) | |
| The Case of Mark Edward Morrison | 9-11 | The Unspeakable Oath | 8/9 | Jun 1993 | Pagan Publishing | Call of Cthulhu (Classic) | |
| The Case of Mark Edward Morrison | 6-7 | The Unspeakable Oath | 11 | Jan 1995 | Pagan Publishing | Call of Cthulhu (Classic) |