Publications (3) 
| Title | Code | Date | Publisher | System (Setting) |
|---|---|---|---|---|
 Cthulhu Classics * | CHA3301 | 1989 | Chaosium | Call of Cthulhu (Classic) |
| Shadows of Yog-Sothoth * | CHA2397 | 2004 | Chaosium | Call of Cthulhu (Classic) |
| Shadows of Yog-Sothoth * | CHA2010 | 1982 | Chaosium | Call of Cthulhu (Classic) |
Articles (3)
| Title | Pages | Publication | Code | Date | Publisher | System (Setting) | |
|---|---|---|---|---|---|---|---|
 The Hermetic Order of the Silver Twilight | 4-13 | Cthulhu Classics | CHA3301 | 1989 | Chaosium | Call of Cthulhu (Classic) | Boston; 1924 |
| The Hermetic Order of the Silver Twilight | 7-27 | Shadows of Yog-Sothoth | CHA2397 | 2004 | Chaosium | Call of Cthulhu (Classic) | Boston; 1924 |
| The Hermetic Order of the Silver Twilight | 4-13 | Shadows of Yog-Sothoth | CHA2010 | 1982 | Chaosium | Call of Cthulhu (Classic) | Boston; 1924 |