"A Personal Credo". Essay by Ansel Adams (1943), first published in "American Annual of Photography," 1944; later published in "Photographers on Photography" edited by Nathan Lyons, 1966, and in "Photography in Print: Writings from 1816 to the Present" edited by Vicki Goldberg, 1988.
"Neil deGrasse Tyson: ‘When A Nation Dreams Big, Its Citizenry Dreams Big’". Interview with Cara Santa Maria, www.huffingtonpost.com. February 28, 2012.