Articles (2)
| Title | Pages | Publication | Code | Date | Publisher | System (Setting) | |
|---|---|---|---|---|---|---|---|
 The Tools of the Trade | 115-130 |  Investigator's Guide to the Secret War | MPS01031CS | 2013 | Modiphius Entertainment | Call of Cthulhu (Achtung!), Savage Worlds (Achtung!) | |
| The Tools of the Trade | 85-95 | Fate Investigator's Guide to the Secret War | MPS01031F | 2014 | Modiphius Entertainment | Fate |