Molotov's report on (29 March 1940), after the Polish defeat, as quoted in the weekly Soviet newspaper "Moscow News", published by Mezhdunarodnaya Kniga, April 1, 1940.
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Oliver Goldsmith (1849). “The Miscellaneous Works of Oliver Goldsmith: With an Account of His Life and Writings : Stereotyped from the Paris Edition : Complete in One Volume”, p.258
Louis O. Kelso, Patricia Hetter Kelso (1967). “Two-factor Theory: the Economics of Reality; how to Turn Eighty Million Workers Into Capitalists on Borrowed Money, and Other Proposals”, New York : Vintage Books