Marvin Heiferman, “Paul Outerbridge,” Art in America, October 23, 2009
http://www.artinamericamagazine.com/features/paul-outerbridge/
Paul Outerbridge at the J. Paul Getty Museum
http://www.getty.edu/art/gettyguide/artMakerDetails?maker=1971
Paul Outerbridge, Jr., Ide Collar, 1922. Gelatin silver print. © 2010 G. Ray Hawkins Gallery, Beverly Hills, CA.