K. R. · K S · Kenneth R. · R. S.
Oxford University Press · Random House
| title | media type | ISBN-13 | year of publication |
|---|---|---|---|
| Morphology of Gymnosperms | Hardcover | 978-0-09-077151-6 | 1967 |
| Morphology of Gymnosperms | Paperback | 978-0-09-077152-3 | 1967 |
| Morphology of Pteridophytes | " | 978-0-09-104881-5 | 1966 |
| The Mysterious Origin of Flowering Plants | " | 978-0-19-914103-6 | 2007 |