Spruce Trees, Great Spruce Head Island, Maine, August 1940

House Finch, Female, Arizona, April 17, 1941

Door and Portal at Peñasco, New Mexico, April 14, 1940

Eastern Goldfinch, Female, Illinois, August 3, 1941

Near Independence Pass, Colorado, August 28, 1950

South of Buena Vista from US 24, Buena Vista, Colorado

Miners' Houses, Silverton, Colorado, September 26, 1951

Miners' Houses, Silverton, Colorado, September 26, 1951

Opossum, Everglades National Park, Florida, March 8, 1954

Panamint Valley, California, February 6, 1959

Bandstand, Aspen, Colorado, August 27, 1950

Telea polyphemus, Emergence of Moth and Wing Expansion, Sequence 6, #7, Tesuque, New Mexico, August 1961

White-throated Sparrow, Male, Great Spruce Head Island, Maine, June 9, 1945

Black-and-white Warbler, Male, June 29, 1940

Black-and-white Warbler, Male, June 29, 1940

Savannah Sparrow's Nest, Maine, June 18, 1938

Black-throated Green Warbler, July 24, 1940

Black-capped Chickadee, Great Spruce Head Island, Maine, June 17, 1945

Redstart, Male, Maine, July 1, 1940

Redstart, Male, Great Spruce Island, Maine, July 7, 1945