Analysis of information sources in references of the Wikipedia article "폴란드 망명정부" in Korean language version.
Of the 13.5 million civilians living in Polish areas annexed by the Soviet Union according to the last official Polish census, the population was over 38% Poles (5.1 million), 37% Polish Ukrainians (4.7 million), 14.5% Belarusians, 8.4% Jews, 0.9% Russians and 0.6% Germans.Also in: Wrocławskie Studia Wschodnie, Wrocław, 1997.
