Sweezy, Paul M. (Paul Marlor), 1910-2004
Socialism
McGraw-Hill, 1949
 Buku Teks SO
Von Mises, Ludwig, 1881-1973
Socialism an economic
Bradford and Dickens, 1953
 Buku Teks SO
Ebenstein, William
Today's isms: communism, fascism, capitalism, socialism
Prentice-Hall, 1954
 Buku Teks SO
Carr, Edward Hallet
Studies in revolution
Macmillan, 1950
 Buku Teks
Carr, Edward Hallet
Studies in revolution
Macmillan, 1950
 Buku Teks SO