Bergson, Abram
The real national income of Soviet Tusia science 1928 / Abram Bergson
Harvard University Press , 1961
 Buku Teks
Rauch, Georg von
A history of Soviet Russia
Frederick A. Preager , 1957
 Buku Teks SO
Dallin, David
Soviet Russia and the Far East
Hollis & Carter, 1949
 Buku Teks SO
Dallin, David J.
The changing world of Soviet Russia
Yale University Press, 1956
 Buku Teks SO
Rauch, Georg von
A history of Soviet Russia
Frederick A. Praeger, 1962
 Buku Teks SO