アーネスト・メイ
The World War and American Isolation 1914-1917, (Harvard University Press, 1959).
American Intervention: 1917 and 1941, (Service Center for Teachers of History, 1960).
Imperial Democracy: the Emergence of America as a Great Power, (Harcourt, 1961).
''The Life History of the United States, vol. 9: the Progressive Era, (Time, 1964).
有賀貞訳『Life合衆国の歴史(9)革新の時代 1901年-1917年』(時事通信社, 1966年)
The Life History of the United States, vol. 10, 1917-1932: War, Boom and Bust, (Time, 1964).