Thomas, Kelly Devine (February 1, 2004). "THE TOP 25 PHOTO COLLECTORS". ARTnews. Archived from the original on 4 March 2016. Retrieved 6 September 2015.
Bryant, Kathy (February 22, 2007). "A filmmaker's pictures". Los Angeles Times. Archived from the original on 9 December 2015. Retrieved 4 September 2015.
nytimes.com
nytimes.com
Business Day staff (October 8, 1991). "Executives". New York Times. Archived from the original on 25 May 2015. Retrieved 6 September 2015. {{cite news}}: |last1= has generic name (help)
Vogel, Carol (November 30, 2007). "Splitting Up a Collection". New York Times. Archived from the original on 5 June 2015. Retrieved 6 September 2015.
Thomas, Kelly Devine (February 1, 2004). "THE TOP 25 PHOTO COLLECTORS". ARTnews. Archived from the original on 4 March 2016. Retrieved 6 September 2015.
Bryant, Kathy (February 22, 2007). "A filmmaker's pictures". Los Angeles Times. Archived from the original on 9 December 2015. Retrieved 4 September 2015.
Business Day staff (October 8, 1991). "Executives". New York Times. Archived from the original on 25 May 2015. Retrieved 6 September 2015. {{cite news}}: |last1= has generic name (help)