| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Huntleyas and Related Orchids | 978-0-88192-884-6 (0-88192-884-4) | 2008 | |
| The Cattleyas and Their Relatives: The Debatable Epidendrums | 978-0-88192-621-7 (0-88192-621-3) | 2004 | Carl L. Withner |
A. H. · A. Harding · P. A. · P.A.H · P. H. · P. Harding · Patricia A.