G.M. · G. Mortimer · Gerald M.
| title | ISBN-13 | year of publication |
|---|---|---|
| Are the Fixtures Out? | 978-1-85983-378-0 | 2003 |
| Derby County: A Complete Record, 1884-1988 | 978-0-907969-39-6 | 1988 |
| Derby County: The Complete Record | 978-1-85983-517-3 | 2006 |
| The Who's Who of Derby County | 978-1-85983-409-1 | 2004 |