Johnson, R. Burke. 1997. “Examining the Validity Structure of Qualitative Research.” Cases in Qualitative Research: 160-165. Karp, David A. 1973. “Hiding in Pornographic Bookstores: A Reconsideration of the Nature of Urban Anonymity.” Urban Anthropology: 427-451. Wolf, Buck. 2013. “Peep Shows through History: From Classic Erotica through 1970s Smut.” http://weirdnews.about.com/od/nudenews/ss/Peep-Shows.htm: 1-10.
Johnson, R. Burke. 1997. “Examining the Validity Structure of Qualitative Research.” Cases in Qualitative Research: 160-165. Karp, David A. 1973. “Hiding in Pornographic Bookstores: A Reconsideration of the Nature of Urban Anonymity.” Urban Anthropology: 427-451. Wolf, Buck. 2013. “Peep Shows through History: From Classic Erotica through 1970s Smut.” http://weirdnews.about.com/od/nudenews/ss/Peep-Shows.htm: 1-10.