Jonathan Porter, Tesuque, New Mexico, September 28, 1946

Stephen Porter, Great Spruce Head Island, Maine, August 16, 1944

Stephen Porter, Great Spruce Head Island, Maine, August 8, 1944

Stephen Porter, Great Spruce Head Island, Maine, August 8, 1944

Sunflowers and Sand Dunes, Great Sand Dunes National Monument, Colorado, August 23, 1959

Spud Johnson, New Mexico, November 1940

Stephen Porter, Tesuque, New Mexico, August 1946

Stephen, Lake Peak, Santa Fe Mountains, New Mexico, July 8, 1948

Stephen and Jonathan, Great Spruce Head Island, Maine, July 26, 1944

Rocks, Groundsel, Alpine, Vegetation, Teleki Valley, Mount Kenya, Kenya, February 13, 1970

Cheetah Running Down Gazelle, Amboseli, Kenya, Africa, 1970

Macau, 1985

Fig Tree, Detail, Ngorongoro Crater, Tanzania, Africa, February 23, 1970

Cheetah Cub Playing, Amboseli, Kenya, Africa, 1970

Macau, 1980

Fig Tree on Granite Rock, Road to San Francisquito, Baja California, August 7, 1966

Black Rhinoceros, Amboseli, Kenya, Africa, 1970

Flamingos, Lake Nakuru, Kenya, 1970

Bull Elephant, Marsabit Park, Kenya, Africa, 1970

Coloane, 1981