Cameron, Robert, 1911- Above Yosemite : a new collection of aerial photographs of Yosemite National Park, California / by Robert Cameron ; with text by Harold Gilliam. - San Francisco, Calif. : Cameron, [c1983] - 144 p. : ill. (some col.), col. map ; 29 x 36 cm. ISBN: 091868420X : $19.95 LCCN: 83090192 LC Class. No.: F868.Y6 .C26 1983 / C26 1983 Dewey Class. No.: 917.94/4702/0222