Adams, Examples: The Making of 40 Photographs, p. 10
Adams, Yosemite and the Range of Light, pl. 27
Alinder, Ansel Adams: 1902-1984, p. 12
Newhall, Ansel Adams: The Eloquent Light, pp. 168-169
Stillman, Ansel Adams: 400 Photographs, p. 93
Stillman, Ansel Adams in the National Parks, p. 10
Stillman, Looking at Ansel Adams: The Photographs and the Man, p. 71
Szarkowski, Ansel Adams at 100, pl. 32
Haas and Senf, Ansel Adams, p. 146, for stamp