Dulles, Foster Rhea
Twentieth century America
Houghton-Mifflin, 1945
 Buku Teks
DeVane, William Clyde
Higher education in twentieth-century America
Harvard University Press, 1965
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Tallack, Douglas
Twentieth-century America : the intellectual and cultural context/ Douglas, Tallack.
Longman, 1991
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Twentieth century America : selected readings : volume II, 1929 to the present
edited by E. David Cronon
Dorsey Press, 1966
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Anderson, Stanford
Peter behrens and a new architecture for the twentieth century / Stanford Anderson
MIT Press, 2000
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