1. Alexander Baykov, The Development of the Soviet Economic State (New York, 1948).
2. Nicolas Berdyaev, The Russian Idea (New York, 1948).
3. J.M. Bochenski, Soviet Russian Dialectical Materialism (Dordrecht, 1963).
4. Maurice Cornforth, Dialectical Materialism and Science (London, 1949).
5. Maurice Dobb, Soviet Economic Development Since 1917, 6th edn (New York, 1966).