Pennsylvania Almanac. 9 December 2008, 55 (15) [3 October 2018]. Hoffman, Jascha. Dr. Adrian Kantrowitz, Cardiac Pioneer, Dies at 90. The New York Times
Times. 9 December 2008 [22 September 2018]. (原始内容存档于23 May 2010). Hoffman, Jascha. Bernard Ackerman, 72, Dies; Expert at Skin Diagnosis. The New York Times