Flade, Roland. The Lehmans: From Rimpar to the New World: A Family History, 2nd Enlarged Ed., 1999; reviewed by the American Jewish Historical Society. Accessed 14 Nov 2006.
Paul Krugman (2003-10-28). "A Willful Ignorance". New York Times. Retrieved 2010-04-17. Sure enough, I was accused in various places not just of 'tolerance for anti-Semitism' (yes, I'm Jewish) [...]