Treffer im Web
Berwind Corporation
Tina Grant: International Directory of Company Histories, Band 100. St. James Press, 2009, ISBN 978-1-55862-634-8, S. 61–64. Weblinks Einzelnachweise
Sidney Myer Ehrman
Tina Grant: International directory of company histories. Volume 41. in: Gale virtual reference library, St. James Press, Detroit, Mich., 2001, ISBN
Anthony M. Frank
Dave Mote: First Nationwide Bank History. In: Tina Grant (Herausgeberin): International Directory of Company Histories, Band 14, 1996, Seite 191-193, .