| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 1990 | 978-1-873720-00-4 | Anna Smyth ยท Roger Matthews | Holmesian Attire: Costume for Canonical Activities |
| 1993 | 978-1-873720-08-0 | Philip Weller | Elementary Holmes: Pocket Reference Guide to the World of Sherlock Holmes |
| 1994 | 978-1-873720-10-3 | Philip Weller | Alphabetically, My Dear Watson: Compilation of Canonical Characters - Sherlock Holmes A-Z |