Chamberlain, A. “Scenery as a National Asset,” _Outlook_, May, 1910, pp. 157-169. Chamberlain, Newell D. _The Call of Gold: True Tales of the Gold Road to Yosemite_ (Mariposa, 1936), 184 pp., illustrations, maps. Chapman, C. E. _History of California: The Spanish Period_ (New York, 1921), 528 pp., illus. Chase, J. S. _Yosemite Trails_ (Boston and New York, 1911), 354 pp., illus. Churchill, C. M. _Over the Purple Hills_ (Denver, 1876), 336 pp., illus. ——. _The Big Trees of California_ (Redondo, Calif., 1907), 104 pp., illus. Clark, Galen. _Indians of the Yosemite Valley and Vicinity_ (Yosemite, 1904), 110 pp., illus. ——. _The Yosemite Valley: Its History, Characteristic Features, and the Theories Regarding Its Origin_ (Yosemite Valley [Nelson L. Slater], 1910), 108 pp., illus. ——. “Yosemite: Past and Present,” _Sunset_, April, 1909, pp. 394-396. Clark, W. A. “Automobiling in Yosemite Valley,” _Overland Monthly_, August, 1902, pp. 104-110. Clarke, Clinton C. “Story of Building the Pacific Crest Trailway, 1932-1942,” bulletin of the Pacific Crest Trail System Conference, Pasadena, Calif., 1942, pp. 1-6. ——. _The Pacific Crest Trailway_ (Pasadena, Calif.: Pacific Crest Trail System Conference, 1945), 126 pp., maps. Cleland, R. G. _Pathfinders_, of the series, “California” (Los Angeles, 1929), 452 pp., illus. Clemens, Samuel L. _Roughing It_ (Hartford, 1872), 592 pp., illus. Cloos, Ernst. “Structure of the Sierra Nevada Batholith,” in _Guidebook 16_, International Geological Congress (Washington, D. C., 1932), pp. 40-45, map, bibliog. Coffman, John D. “How Much and What Kind of Forest Land Should Be Devoted Exclusively to Recreation and Aesthetics?” _Journal of Forestry_ (February, 1937), pp. 210-214. Colby, William E. “The Completed LeConte Memorial Lodge,” _Sierra Club Bulletin_, 5 (1904): 1, 66-69, illus. ——. “The Sierra Club,” _Forestry and Irrigation_, August, 1905, pp. 391-393. ——. “The Soda Springs Purchase,” _Sierra Club Bulletin_, 8 (1912): 4, 272-274. ——. “The John Muir Trail,” _Sierra Club Bulletin_, 10 (1916): 1, 86-92. ——. “Yosemite and the Sierra Club,” _Sierra Club Bulletin_, 23 (1938): 2, 11-19. ——. “Yosemite’s Fatal Beauty,” _National Parks Magazine_ (January-March, 1947), pp. 4-11. Cole, James E. “Origin of the Name, ‘Yosemite,’” _Yosemite Nature Notes_, 1936, pp. 49-54. ——. “Museum [Yosemite] Scientific Collections,” _Yosemite Nature Notes_, 1936, pp. 27-32, 37-40. Commonwealth Club of California. “Should We Stop Building New Roads into California’s High Mountains?” _The Commonwealth_ 12 (June 2, 1936): 22, 325-386, illus. Cone, Mary. _Two Years in California_ (Chicago, 1876), 238 pp., illus. Conway, John. Time Book, Glacier Point Road Construction (in Yosemite Museum).