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John Muir
20
history
naturalist
20
Environmentalist
18
conservation
18
national parks
18
travel
18
correspondence
14
letters
14
annotation
4
journal articles
4
pamphlets
4
speeches
4
writing
4
California
2
Holt-Atherton Special Collections
2
University of the Pacific
2
archives
2
biography
2
colleagues
2
contemporaries
2
reminiscence
2
special collections
2
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