The University of the Pacific Libraries' Holt-Atherton Special Collections and Archives curates the largest collection of John Muir archival material. The Muir Experience is a space devoted to those archives and evokes what inspired him from the natural places in Yosemite Valley to the books in his personal library.

Letter from [John Muir] to Sarah [Muir Galloway], 1873 Sep 3.
Introduction
Wisconsin - Historic Houses, etc. - The Burr-Oak Shanty, Wisconsin, Our First American Home
Archives
Sequoia Studies from Yosemite South End of Belt at White River
The Giant Sequoia of California