| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Transvaal philately: The stamps, forgeries, postal history and miscellanea of the Transvaal territories from inception to union | 978-O-62O-O9752-9 (O-62O-O9752-3) | 1986 | Baker, K A · Bowdens, B J · Crocker, David · Jonkers, Dr Gerrit · Kaupe, John · Zeyl, Paul van · Wigmore, Michael Mathews |