ISBN 0-06-251430-X*Brower, David, & the Sierra Club, eds., "Wilderness: America's Living Heritage" (New York Vail-Ballou Press, Gillick Press, 1961).
ISBN 0-06-251430-X* Brower, David, & the Sierra Club, eds., "Wilderness: America’s Living Heritage" (New York Vail-Ballou Press, Gillick Press, 1961).