| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 1970 | 978-0-900039-07-2 | George Brumell | The Local Posts of London 1680-1840, with a description of the postmarks used therein. |
| '' | 978-0-900039-09-6 | R.C. Alcock · F.C. Holland | The Maltese Cross Cancellations of the United Kingdom |