▲Título▼ | ▲C▼ | ▲Año▼ | △V▼ | ▲Concepto▼ |
---|---|---|---|---|
Call of Cthulhu World Map (Foldout) (junto a Lynn Willis) | 1981 | — | Escritor | |
Hindenburg Airship (junto a Lynn Willis) | 1981 | — | Ilustrador | |
Introduction (to "Cthulhu Companion") (junto a Sandy Petersen) | 1983 | — | Escritor | |
Miskatonic University Graduate Kit (junto a Lisa A. Free, Ron Leming, Sandy Petersen et al.) | 1987 | — | Escritor | |
Rail Map of New England (Sketch Map of Rail Lines in the 1920s) | 1981 | — | Escritor | |
Sourcebook for the 1920s (junto a Tadashi Ehara, Harry Henderson, Steve Perrin et al.) | 1981 | — | Escritor |