| Title | Pages | Publication | Code | Date | Publisher | System (Setting) |
|---|
 Artefacts and Curios | 95-138 |  Hudson and Brand, Inquiry Agents of the Obscure | 3004 | 2017 | Stygian Fox | Call of Cthulhu (Gaslight) | |
| The Beginning of the Agency | 19-21 | Hudson and Brand, Inquiry Agents of the Obscure | 3004 | 2017 | Stygian Fox | Call of Cthulhu (Gaslight) | |
 The Curious Case of Bare Knuckle Bill | 54-69 | Hudson and Brand, Inquiry Agents of the Obscure | 3004 | 2017 | Stygian Fox | Call of Cthulhu (Gaslight) | |
| The Early Years | 22-29 | Hudson and Brand, Inquiry Agents of the Obscure | 3004 | 2017 | Stygian Fox | Call of Cthulhu (Gaslight) | |
| Golden Square and its Environs | 48-53 | Hudson and Brand, Inquiry Agents of the Obscure | 3004 | 2017 | Stygian Fox | Call of Cthulhu (Gaslight) | |
| The Later Years | 40-47 | Hudson and Brand, Inquiry Agents of the Obscure | 3004 | 2017 | Stygian Fox | Call of Cthulhu (Gaslight) | |
| Ophelia Rising | 70-78 | Hudson and Brand, Inquiry Agents of the Obscure | 3004 | 2017 | Stygian Fox | Call of Cthulhu (Gaslight) | |
| Populating London | 79-87 | Hudson and Brand, Inquiry Agents of the Obscure | 3004 | 2017 | Stygian Fox | Call of Cthulhu (Gaslight) | |
| The Prime Years | 30-39 | Hudson and Brand, Inquiry Agents of the Obscure | 3004 | 2017 | Stygian Fox | Call of Cthulhu (Gaslight) | |
| Scarabs of Sekhmet | |  Terror of Octobernomicon | GGP2201 | 2022 | Golden Goblin Press | Call of Cthulhu (Classic) | Egypt |
| A Tableau of Red | 7-27 |  A Tableau of Red | | Mar 2020 | Noralle | Call of Cthulhu (Classic) | Spain |
 The Weapons of Hudson and Brand | 88-94 | Hudson and Brand, Inquiry Agents of the Obscure | 3004 | 2017 | Stygian Fox | Call of Cthulhu (Gaslight) | |
| The World of Hudson and Brand | 12-18 | Hudson and Brand, Inquiry Agents of the Obscure | 3004 | 2017 | Stygian Fox | Call of Cthulhu (Gaslight) | |
