Bear, Robert Johnson, Arthur B. Mendenhall, John and Ruth' Poland, Roscoe and Wilma
Clark, Paul Redd, Eric Searle, Richard
Southern Sierrans, Volume III
Bear, Robert. "Desert Conservation and Exploration with the Sierra Club."
Johnson, Arthur B. "Climbing and Conservation in the Sierra."
Poland, Roscoe and Wilma. "Desert Conservation: Voices from the Sierra Club's San Diego Chapter."
Mendenhall, John and Ruth. "Forty Years of Sierra Club Mountaineering Leadership, 1938-1978."
Natural Resources, Land Use, and the Environment Advocacy and Philanthropy
Bear, Robert, Arthur B. Johnson and Roscoe and Wilma Mendenhall. "Southern Sierrans, Volume III." Interview by Paul Clark, Eric Redd and Richard Searle in 1980. Oral History Center, The Bancroft Library, University of California, Berkeley, 1980.