Lange, Oktavii Konstantinovich, 1883-1975
Some problems relating to the Polish road to socialism / by Oscar Lange
Polonia Pub. House, 1957
 Buku Teks
Lenin, Vladimir I.
Problems of building socialism and communism in the U.S.S.R.
Foreign Languages Publishing House, 1963
 Buku Teks
Tsedenbal, Y.
Mongolian people's republic on the road to socialism / Y. Tsedenbal
Political Literatur Publishing House, 1967
 Buku Teks
Problems relating to legislative organization and powers
Constitutional Convention Committee, 1938
 Buku Teks
Problems relating to judicial administration and organization
Constitutional Convention Committee, 1938
 Buku Teks