books.google.com - "John Cuthbert Long’s Roy D. Chapin is a thorough and detailed biography of a remarkable, but little-known Detroit automobile industry pioneer. Historians should include Roy Dikeman Chapin (February 23, 1880–February 16, 1936) in any listing of significant American auto industry pioneers, along with...http://books.google.com/books/about/Roy_D_Chapin.html?id=WXfyjX_yssgC&utm_source=gb-gplus-shareRoy D. Chapin
