Articles (2)
| Title | Pages | Publication | Code | Date | Publisher | System (Setting) | |
|---|---|---|---|---|---|---|---|
 Directive 108: Tradecraft Meets Lovecraft | 58-59 |  The Unspeakable Oath | 21 | Jul 2012 | Pagan Publishing | Call of Cthulhu (Delta Green) | |
| Directive 108: Tradecraft Meets Lovecraft | 269 | Old Ones Rising | 2017 | Arc Dream Publishing | Call of Cthulhu (Delta Green) |