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| | Yosemite The Embattled Wilderness (Notes) |
 | | Tresidder, "The National Parks: A Public Health Problem: (thesis, School of Medicine, Stanford University, 1927). |
 | | Tresidder to Lewis, April 26, 1927; and Tresidder to E. Leavitt, November 12, 1927, File 900-01, Drawer 12, Yosemite Park and Curry Company, Buildings, Yosemite National Park Research Library. |
 | | Tresidder, Memorandum, June 20, 1934, File 979-447, Yosemite National Park Research Library. |
| www.cr.nps.gov /history/online_books/runte2/notes.htm (9250 words) |
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