| 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) | |
 Ephemera | 79-102 |  The Mark of Evil | | | Stygian Fox | Call of Cthulhu (Now) | |
 Epilogue | 177-179 |  N | | Nov 2022 | Stygian Fox | None | |
| Epilogue | 140-143 | Y | | Nov 2022 | Stygian Fox | None | |
| Fimbulvinter | 2010 |  The Fairfield Project | | | Self Published | Call of Cthulhu (Delta Green) | December; 2010 |
| Forget Me Not | 24-37 | The Mark of Evil | | | Stygian Fox | Call of Cthulhu (Now) | |
| Golden Square and its Environs | 48-53 | Hudson and Brand, Inquiry Agents of the Obscure | 3004 | 2017 | Stygian Fox | Call of Cthulhu (Gaslight) | |
| Hell in Texas | 49-56 | The Mark of Evil | | | Stygian Fox | Call of Cthulhu (Now) | |
| Intimate Encounters | 73-78 | The Mark of Evil | | | Stygian Fox | Call of Cthulhu (Now) | |
| Ladybug, Ladybug, Fly Away Home | 6-23 | The Mark of Evil | | | Stygian Fox | Call of Cthulhu (Now) | |
| The Later Years | 40-47 | Hudson and Brand, Inquiry Agents of the Obscure | 3004 | 2017 | Stygian Fox | Call of Cthulhu (Gaslight) | |
| The Night Season | 57-72 | The Mark of Evil | | | Stygian Fox | Call of Cthulhu (Now) | |
| 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) | |
| Prologue | 1-3 | N | | Nov 2022 | Stygian Fox | None | |
| Prologue | 1-4 | Y | | Nov 2022 | Stygian Fox | None | |
| Roots | 57-84 | The Things We Leave Behind | TTWLB | 2016 | Stygian Fox | Call of Cthulhu (Now) | |
| Roots | 38-48 | The Mark of Evil | | | Stygian Fox | Call of Cthulhu (Now) | |
| The Unbearable Likeness | | The Unbearable Likeness | FXC-01 | Jun 2019 | Stygian Fox | Call of Cthulhu (Now) | New York |
| Undertow | 13-17 | Fear's Sharp Little Needles | 3005 | 2018 | Stygian Fox | Call of Cthulhu (Now) | California |
| Vignette I | 27-28 | Y | | Nov 2022 | Stygian Fox | None | |
| Vignette II | 52-53 | Y | | Nov 2022 | Stygian Fox | None | |
| Vignette III | 67-68 | Y | | Nov 2022 | Stygian Fox | None | |
| Vignette IV | 83-84 | Y | | Nov 2022 | Stygian Fox | None | |
| Vignette V | 102-103 | Y | | Nov 2022 | Stygian Fox | None | |
| Vignette VI | 119-120 | Y | | Nov 2022 | Stygian Fox | None | |
 The Weapons of Hudson and Brand | 88-94 | Hudson and Brand, Inquiry Agents of the Obscure | 3004 | 2017 | Stygian Fox | Call of Cthulhu (Gaslight) | |
| What Dreams May Come | | Puncture Wounds | SFX-4000 | Aug 2018 | Stygian Fox | None | |
| The World of Hudson and Brand | 12-18 | Hudson and Brand, Inquiry Agents of the Obscure | 3004 | 2017 | Stygian Fox | Call of Cthulhu (Gaslight) | |
