A. D. · A. H. · A. Hunter · H.D.
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Asa Gray: American Botanist, Friend of Darwin | 978-0-8018-3741-8 (0-8018-3741-3) | 1988 |
| Science in the Federal Government: A History of Policies and Activities | 978-0-8018-3381-6 (0-8018-3381-7) | 1986 |