Wintrop, Suzanne (2012). "Pencer Brain Trust". Jewish Foundation of Greater Toronto and UJA Federation. Archived from the original on 28 April 2009. Retrieved 27 July 2012.
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Wintrop, Suzanne (2012). "Pencer Brain Trust". Jewish Foundation of Greater Toronto and UJA Federation. Archived from the original on 28 April 2009. Retrieved 27 July 2012.