Sandbox 2 - Sandbox 4
- François E. Matthes
- google
- François Matthes and the Marks of Time: Yosemite and the High Sierra (1962) by François E. Matthes
- Francois Matthes the Master Interpreter - A Review By Keith A . Trexler, Park Naturalist
- Matthes, Francois E. "Sierra Club bulletin - Little Studies in Yosemite Valley". books.google.com. Retrieved 2009-12-26.
- Matthes, Francois E. "JSTOR: The Geographical Journal, Vol. 124, No. 2 (Jun., 1958), p. 252". www.jstor.org. Retrieved 2009-12-26.
- Matthes, Francois E. "François Matthes and the Marks of Time: Yosemite and the High Sierra (1962), "John Muir and the Glacial Theory of Yosemite," by François E. Matthes". www.yosemite.ca.us. Retrieved 2009-12-26.