George Vasey (botanist)
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- Outback Nevada: Public Domain and Environmental Challenge
- The Fascinating History of the Early Botanical Exploration and Investigations in Southern California
- 2004 Vol. 7, Issue 4
- George Vasey Papers, 1889-1893
- A History of Grand Canyon-Parashant National Monument
- Guide and Index to the Microfilm Edition of the Charles E. Bessey Papers (1865-1915)