John Muir (2015). “JOHN MUIR’S CALIFORNIA COLLECTION: My First Summer in the Sierra, Picturesque California, The Mountains of California, The Yosemite & Our National Parks (Illustrated): Adventure Memoirs, Travel Sketches, Nature Writings and Wilderness Essays”, p.83, e-artnow
"From Fort Independence to Yosemite". San Francisco Daily Evening Bulletin (part 6 of the 11 part series "Summering in the Sierra"), September 15, 1875.