Barck,Oscar Theodore
Since 1900 : a history of the United States in our Times/Oscar Theodore Barck, Nelson Manfred Blake
Macmillan, 1950
 Buku Teks
Barck, Oscar Theodore, Jr., 1902-1993
Since 1900 : a history of the United States in our times
Macmillan, 1965
 Buku Teks
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
Link, Arthur S.
American epoch : a history of the United States since the 1890's
Alfreda A. Knopf, 1963
 Buku Teks
Link, Arthur S.
American epoch : a history of the United States since the 1890's
Alfreda A. Knopf, 1955
 Buku Teks