Robin, June 16, 1940

Eastern Robin, June 20, 1941

Brown Thrasher, June 19, 1941

Eliot, Fairfield, Nancy, Edward, and John Porter, Great Spruce Head Island, Maine, July 1942

Jonathan, Maine, September 1942

Patrick Porter, Tesuque, New Mexico, August 1950

Earl Brown, Eagle Island, Maine, 1939

Earl Brown, Eagle Island, Maine, 1939

Verdin, Arizona, May 8, 1941

Eastern Robin, June 20, 1941

Cheetah with Cubs, Amboseli, Kenya, Africa, 1970

Rocks on Beach, Baja California, July 1966

Flamingos, Lake Nakuru, Kenya, Africa, 1970

Wildebeest, Ngorongoro Crater, Tanzania, February 1970

Temple of Apollo, Corinth, Greece, March 9, 1970

Sunset Clouds, Waterpocket Fold, Utah, August 19, 1963

Lichen, Fjardharheidhi, Road to Seydharfjordhur, Iceland, July 29, 1972

Rome, Italy

Granite Hills, Road to San Francisquito, Baja California, August 7, 1966

Sunset South of Laguna Chapala, Baja California, August 1, 1966