| ▲Título▼ | △C▼ | ▲Año▼ | ▲V▼ | ▲Concepto▼ |
|---|---|---|---|---|
| New (or Variant) Mythos Books |   | 2007 | — | Escritor |
| New Mythos Minions and Monsters | | 2007 | — | Escritor |
| New Spells & Magical Artifacts | | 2007 | — | Escritor |
| The Occult in the 1890s | | 1986 | — | Escritor |
| Sample Prices in 1890s England | | 1986 | — | Escritor |
| Underworld Slang | | 1986 | — | Escritor |
| Victorian London | | 1996 | — | Escritor |
| World Politics | | 1988 | — | Escritor |
| Bibliography ("Cthulhu by Gaslight") |  | 1986 | — | Escritor |
| Biographies | | 1986 | — | Escritor |
| Timeline ("Cthulhu by Gaslight") | | 1986 | — | Escritor |
| Cthulhu by Gaslight Character Sheet |  | 1986 | — | Escritor |
| Endnotes (of Evil ...) |   | 2007 | — | Escritor |
| Introduction (to "Cthulhu by Gaslight 2nd Edition") | | 1988 | — | Escritor |
| Introduction (to "Cthulhu by Gaslight") | | 1986 | — | Escritor |
