| ▲Título▼ | ▲C▼ | △Año▼ | ▲V▼ | ▲Concepto▼ |
|---|---|---|---|---|
Act III - And the Dogs Shall Know You (junto a John Diaper, Bob Gallagher y Steve Rawling) |   | 1983 | — | Escritor |
Death in Dunwich | | 1983 | — | Escritor |
Act I - Into the Throat of the Beast (junto a John Diaper, Bob Gallagher y Steve Rawling) | | 1983 | — | Escritor |
Act II - The Wanderer (junto a John Diaper, Bob Gallagher y Steve Rawling) | | 1983 | — | Escritor |
De Schip Zonder Schaduw (The Ship Without Shadows) | | 1984 | — | Escritor |
| Deities of the Mythos ("Malleus Monstrorum") (junto a Marion Anderson, Phil Anderson, Scott David Aniolowski et al.) |  | 2006 | — | Escritor |
