National Historical Publications & Records Commission

John Muir Papers, 1856–1942

(Microfilm Edition)

University of the Pacific

Descriptive and ordering information and digital archives at

John Muir (1838 –1914) was a Scottish-born American naturalist, author, and early advocate of preservation of wilderness in the United States. His letters, essays, and books telling of his adventures in nature, especially in the Sierra Nevada mountains of California, have been read by millions. His activism helped to preserve the Yosemite Valley, Sequoia National Park and other wilderness areas. The Sierra Club, which he founded, is now one of the most important conservation organizations in the United States. Correspondence, journals, manuscripts, notes, drawings, and photographs of and by the conservationist, an intellectual precursor of the modern ecology movement and a proponent of the expansion of the national park system. The papers include nearly 10,000 items from forty repositories throughout the United States.

51 reels, 53 microfiche, 190-page guide

refer to caption


Teddy Roosevelt and John Muir at Yosemite. Courtesy Library of Congress.


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