Analysis of information sources in references of the Wikipedia article "Répressions soviétiques des citoyens polonais" in French language version.
« How are we ... to explain the phenomenon of Ukrainians rejoicing and collaborating with the Soviets? Who were these Ukrainians? That they were Ukrainians is certain, but were they communists, Nationalists, unattached peasants? The Answer is "yes"—they were all three »