| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| John Harrison and the Problem of Longitude | 978-1-871443-02-8 (1-871443-02-4) | 1989 | Mervyn Hobden |
| John Harrison and the Problem of Longitude | 978-1-871443-01-1 (1-871443-01-6) | 1988 | " |
| Tudor Bastard: King Henry VIII's Son, Henry Fitzroy, Duke of Richmond and Somerset and His Mother, Elizabeth Blount | 978-1-871443-30-1 (1-871443-30-X) | 2001 | |