Websites
“History: Sierra Club Timeline.” Sierra Club Timeline – History – Sierra Club, vault.sierraclub.org/history/timeline.aspx.
“Sierra Club Programs.” Sierra Club, www.sierraclub.org/programs.
History: Origins and Early Outings. (n.d.). Retrieved from https://vault.sierraclub.org/history/origins/
Stoll, M. (1993). God and John Muir: A Psychological Interpretation of John Muir’s Life and Religion. Retrieved from https://vault.sierraclub.org/john_muir_exhibit/life/god_john_muir_mark_stoll.aspx
Sierra Club Home Page: Explore, Enjoy and Protect the Planet. (n.d.). Retrieved from https://www.sierraclub.org/
“John Muir.” National Parks Service, U.S. Department of the Interior, 1 Mar. 2015, www.nps.gov/yose/learn/historyculture/muir.htm.
Yosemite Species List. (n.d.). Retrieved from https://www.nps.gov/yose/learn/nature/npspecies.htm
Sierra Club. (2018, April 10). Retrieved from https://en.wikipedia.org/wiki/Sierra_Club
Primary Sources
Muir, J. (1913). The Story of my Boyhood and Youth. Boston: Houghton Mifflin Company.
Muir, J. (1890, August). The Treasures of the Yosemite. Retrieved from https://vault.sierraclub.org/john_muir_exhibit/writings/the_treasures_of_the_yosemite/
Muir, J. (1890, September). Features of the Proposed Yosemite National Park. Retrieved from https://vault.sierraclub.org/john_muir_exhibit/writings/features_of_the_proposed_yosemite_national_park/
Pictures
Free high quality photos · Pexels. (n.d.). Retrieved from http://www.pexels.com/
(All pictures without references were retrieved from www.pexels.com)
Sly, A., Anderson, D., & Wood, H. (n.d.). The Yosemite. Retrieved from https://vault.sierraclub.org/john_muir_exhibit/writings/the_yosemite/
History: Origins and Early Outings. (n.d.). Retrieved from https://vault.sierraclub.org/history/origins/
“Yosemite Library: Yosemite Historic Maps.” [Yosemite], www.yosemite.ca.us/library/maps/.
[John Muir, three-quarter length portrait, seated, facing front]. (1909). Retrieved from http://www.loc.gov/pictures/item/93505505/
[John Muir, full-length portrait, facing right, seated on rock with lake and trees in background]. (1970, January 01). Retrieved from http://www.loc.gov/pictures/item/95514008/
Underwood & Underwood. (1970, January 01). [John Muir, seated, reading a book]. Retrieved from http://www.loc.gov/pictures/resource/ppmsca.18943/
Underwood & Underwood. (1970, January 01). [Theodore Roosevelt and John Muir on Glacier Point, Yosemite Valley, California, in 1903]. Retrieved from http://www.loc.gov/pictures/resource/cph.3a11256/