Braverman, Harry
Labor and monopoly capital : the degradation of work in the twentieth century
Mounthly Review Press, 1974
 Buku Teks SO
Winpisinger, William W.
Reclaiming our future: an agenda for American Labor
Colorado Westview Press, 1989
 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
In our own words : extraordinary speeches of the American century
edited by Senator Robert Torricelli and Andrew Carroll
Kodansha International, 1999
 Buku Teks SO
Barck, Oscar Theodore, Jr., 1902-1993
Since 1900 : a history of the United States in our times
Macmillan, 1965
 Buku Teks SO