Edinburgh University Press · Government Printer · Timber Press, Incorporated
| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Dierama: The Hairbells of Africa | 978-1-874802-01-3 | 1991 | B. L. Burtt |
| Flora of Southern Africa Series | 978-0-621-07943-2 | 1983 | |
| The Botany of the Southern Natal Drakensberg | 978-0-620-10625-2 | 1987 | |
| The Manuleae: Tribe of Scrophulariaceae | 978-0-7486-0489-0 | 1994 | |