Articles (2)
| Title | Pages | Publication | Code | Date | Publisher | System (Setting) | |
|---|---|---|---|---|---|---|---|
 The Trail of Tsathoggua | 4-21 |  The Trail of Tsathoggua | CHA2308 | 1984 | Chaosium | Call of Cthulhu (Classic) | Greenland; Gnoph-Keh; Formless Spawn of Tsathoggua |
| The Trail of Tsathoggua | 4-29 | The Compact Trail of Tsathoggua | CHA2362 | 1997 | Chaosium | Call of Cthulhu (Classic) | Greenland; Gnoph-Keh; Formless Spawn of Tsathoggua |