Greenwood · Johns Hopkins University Press
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Biographical Dictionary of American and Canadian Naturalists and Environmentalists | 978-0-313-23047-9 (0-313-23047-1) | 1997 | Lorne Hammond · Richard Harmond · Keir B. Sterling · Dr.Lorne F. Hammond |
| Modern American Environmentalists: A Biographical Encyclopedia | 978-0-8018-9152-6 (0-8018-9152-3) | 2009 | Richard P. Harmond · Everett I. Mendelsohn |
A.C. · G. A. · G. C. · George A. · George-C