1. Amenorrhea associated with bilateral polycystic ovaries;Stein;Am J Obstet Gynecol,1935
2. The Androgen Excess and PCOS Society criteria for the polycystic ovary syndrome: the complete task force report;Azziz;Fertil Steril,2009
3. Stein IF. Draft of biography annotated by Dr Stein for the syllabus for presentation of A Symposium on the Stein-Leventhal Syndrome: Forty Years after, held by Department of Obstetrics and Gynecology, Rush-Presbyterian–St Luke’s Medical Center, and The Chicago Gynecological Society in honor of Irving Freiler Stein, MD (Rush, 2012). April 18, 1975, Chicago, IL.
4. Family history on Geni.com, managed by family member Ann Fuller. Available at: https://www.geni.com/people/Irving-F-Stein/4142623045230087753. Accessed Oct. 25, 2015 (confirmed via contact with Ms Fuller).
5. Cohen MR. Dr Irving F. Stein, Sr. Type-written obituary on letterhead (Fertility Institute, Ltd, Chicago, IL 60611, dated Nov. 1, 1976, and signed by Melvin R. Cohen (courtesy of Dr Greta Beighton).