Norman Davies, God's playground: a history of Poland in two volumes, Oxford University Press, 2005, p. 379
Paul R. Magocsi, Encyclopedia of Canada's peoples, University of Toronto Press, 1999 p. 1057,
Norman Davies. "Ethnic Diversity in Twentieth Century Poland." In: Herbert Arthur Strauss. Hostages of Modernization: Studies on Modern Antisemitism, 1870-1933/39. Walter de Gruyter, 1993.
