1. The American Image: The photographs of John Collier Jr http://americanimage.unm.edu/index.html
2. The legacy of John Collier, Jr.;Biella;Visual Anthropology Review,2001
3. Document , N. 2012 Oxford English dictionary online
4. Hartel , J.K. 2007 Information activities, resources, and spaces in the hobby of gourmet cooking