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↑Freedom's Forge: How American Business Produced Victory in World War II. Herman, Arthur. New York: Random House, 2012. מסת"ב 978-1-4000-6964-4 ( עמ' 11, 85, 86)
↑Building Victory: Aircraft Manufacturing in the Los Angeles Area in World War II. Parker, Dana T. Cypress, California: Amazon Digital Services, Inc., 2013. מסת"ב 978-0-9897906-0-4 (עמ' 59, 71)
↑Masters of Mass Production. Borth, Christy. Indianapolis, Indiana: Bobbs-Merrill Co., 1945. (עמ' 244)