| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 1978 | 978-0-906440-00-1 | James A. Mackay | Circular Names Stamps of Scotland |
| '' | 978-0-906440-01-8 | James A. Mackay | Scottish Postmarks from 1693 to the Present Time |
| '' | 978-0-906440-02-5 | '' | Skeleton Postmarks of Scotland |
| 1986 | 978-0-906440-39-1 | '' | Sub-office Rubber Datestamps of England and Wales |
| 1989 | 978-0-906440-48-3 | '' | Scottish Post Offices |