| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 1969 | 978-0-900631-00-9 | B. Rogers-Tillstone | The Royal Philatelic Society London 1869-1969 |
| 1970 | 978-0-900631-01-6 | W.A. Townsend · F.G. Howe | Postage Stamps and Postal History of British Guiana |
| 1971 | 978-0-900631-02-3 | H. R. Holmes | The Postage Stamps, Postal Stationery and Postmarks of the Bechuanalands |
| 1967 | 978-0-900631-03-0 | J.B. Seymour · Clive Gardiner- Hill | Stamps, Postage, of Great Britain |
| 1994 | 978-0-900631-30-6 | Michael M. Sacher | Postal Markings of Mandate Palestine, 1917-48 |