| title | ISBN-13 | year of publication |
|---|---|---|
| Adenium and Pachypodium Handbook | 978-0-902099-07-4 | 1983 |
| Didiereaceae: Cacti of the Old World | 978-0-902099-20-3 | 1992 |
| Name That Succulent | 978-0-85950-447-8 | 1980 |
| The Illustrated Encyclopaedia of Succulents | 978-0-86101-011-0 | 1978 |
(D-R) · G D · G. Rowley · Gordon D · Gordon R. · Gordon Rowley
British Cactus & Succulent Society · Nelson Thornes Ltd · Salamander Books