Topic
Environmentalist
John Muir
458
conservation
458
history
national parks
458
naturalist
458
travel
458
correspondence
236
letters
236
annotation
156
journal articles
156
pamphlets
156
speeches
156
writing
156
California
66
Yosemite
66
artwork
66
drawing
66
historian
66
sketch
66
Glaciers
52
Mountains
6
Islands
4
Indigenous peoples
2
Lakes & ponds
2