Bibliography
- Clark, Galen (1904). Indians of the Yosemite valley and vicinity, their history, customs and traditions. Yosemite Valley, Calif: G. Clark. OCLC 65664888. http://www.yosemite.ca.us/library/indians_of_the_yosemite/.
- Clark, Galen (1907). The big trees of California, their history and characteristics. Yosemite Valley, Cal: G. Clark . OCLC 344915. http://www.yosemite.ca.us/library/big_trees_of_california/.
- Clark, Galen (April 1909). "Yosemite: Past and Present". Sunset. http://www.yosemite.ca.us/library/yosemite_past_and_present/.
- Clark, Galen (1910). The Yosemite Valley, its history, characteristic features, and theories regarding its origin. Yosemite Valley, Cal: N. L. Salter. OCLC 4721921. http://www.yosemite.ca.us/library/the_yosemite_valley/.
- Clark, Galen (1964). Early days in Yosemite Valley. Los Angeles. OCLC 4175271. http://www.yosemite.ca.us/library/early_days_in_yosemite/. Originally published as "A Plea for Yosemite" in Yosemite Nature Notes (February 1927), from a manuscript written c. 1907.
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