凱文‧柯立芝站在汽車使用的無線電設備旁 (攝於1924年總統選舉期間)

出處: "Calvin Coolidge with Radio Equipment Used on Automobiles During the Campaign." National Photo Company Collection, 1924. Prosperity and Thrift: The Coolidge Era and the Consumer Economy, 1921-1929, American Memory collections, Library of Congress.