Goshal, Kumar
People in colonies / Kumar Goshal
Sheridan House Publisher, 1948
 Buku Teks
Walker, E. A.
Colonies / E. A. Walker
The University Press, 1945
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Kovac, Pavle
Development of self-government in Yugoslavia / Pavle Kovac
The Int. Labour Exhbition in Turn, 1961
 Buku Teks
The Zemstvo in Russia: an experiment in local self-government
edited by Terence Emmons and Wayne S. Vucinich
Cambridge University Press, 2011
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Kolarz, Walter
Russia and her colonies / by Walter Kolarz
Frederick A.Praeger, 1955
 Buku Teks