Soviet Poultry Husbandry Program. J. C. Pincus. The United States Egg and Poultry Magazine, 1931, p. 2.

„A thorough study of Russia is, at the present time, impossible. Never-theless, the most superficial type of analysis will show that the Soviet Government has a good chance to maintain itself and to bring its plans to a substantial degree of success.” Wallace Bett Donhaln, Dean of the Graduate School of Business, Harvard University.