classifications
| search classifications for: Campbell, George (Washington) |
United States of America
Inventors
Botanists, plant physiologists, photographers, plant artists, horticulturalists, agronomists, gardeners, herbalists, orchardists
Personalities - agriculturists, farmers, horticulturists, plant breeders, agronomists, farm workers, ranchers, land agents, vintners, orchardists, agricultural writers
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