ISBN 978-83-7415-000-2. (原始内容存档于December 23, 2017). Shirley Rotbein Flaum, Roni Seibel Liebowitz. Lodz Ghetto Deportations and Statistics. Sources: Encyclopedia of the
Broadway Cast & Staff - IBDB. ibdb.com. [21 June 2023]. Eric P. Nash. Jack Liebowitz, Comics Publisher, Dies at 100. The New York Times. 13 December 2000: