Curtis, William J.R.
Modern architecture since 1900
Prentice-Hall, 1996
 Buku Teks SO
Barck, Oscar Theodore, Jr., 1902-1993
Since 1900 : a history of the United States in our times
Macmillan, 1965
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Heale, M. J.
The United States in the long twentieth century : politics and society since 1900
An imprint of Bloomsbury Publishing Plc, 2015
 Buku Teks SO
Barck,Oscar Theodore
Since 1900 : a history of the United States in our Times/Oscar Theodore Barck, Nelson Manfred Blake
Macmillan, 1950
 Buku Teks SO
Barck, Oscar Theodore, Jr., 1902-1993
Since 1900 a history of the United States in our times Oscar Theodore Barck, Jr. and Nelson Manfred Blake
New York, N.Y. Macmullan c.1965,
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