Trump Fast-Forwards AmericanDecline. The New York Times. 28 June 2019 [2021-04-24]. (原始内容存档于2022-03-08). Switzer, Tom. The decline in America leadership
《地中海的衰落》(the Decline of the Mediterranean) 《地中海争霸史》(Hegemony tn the Mediterranean) 维基共享资源上的相关多媒体资源:詹姆斯·亨利·布雷斯特德 Address to the American Historical Association
Lawrence E. The Pan-American Dream. Westview P. 1998. ISBN 0-8133-3470-5. Whitaker, Arthur P. The Western Hemisphere Idea: Its Rise and Decline. Ithaca. 1954