^Nash 2010, p. 105. Nash 2003, p. 165 and the site of the Field Museum of Natural History provide a different date: "Martin was born in Chicago on November 20, 1899" (The Paul S. Martin collection. Biographical statement. Field Museum of Natural History, Chicago. Retrieved 2010-09-18). نسخة محفوظة 17 مارس 2009 على موقع واي باك مشين.
