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  1. 1 2 "Joel Grey Biography (1932–)". Film Reference. สืบค้นเมื่อ February 23, 2014.
  2. ↑ Stratton, Bert (July 25, 2012). "MICKELE : Mickey Katz lives". Cleveland Jewish News.
  3. ↑ "KATZ, MEYER MYRON – The Encyclopedia of Cleveland History". Case Western Reserve University. July 17, 1997.
  4. ↑ Katz, Mickey (1977). Papa, play for me. Hannibal Coons, foreword by Joel Grey, introduction by Josh Kun. Middletown, Connecticut: Wesleyan University Press. p. 105. ISBN 0-8195-6433-8. สืบค้นเมื่อ November 5, 2011.
  5. ↑ Laufenberg, Norbert B. Entertainment Celebrities, p. 274. Trafford Publishing, 2005.
  6. ↑ McNeil, Liz. "Broadway Legend Joel Grey Opens Up About His Sexuality" People, January 28, 2015