"The SS : Hitler's Instrument Of Terror / G. Williamson. - London, 1994. - p. 102" . "When the German Army moved through Poland, the Volksdeutsche population formed its own self-defense militia: the selbstschutz. These units were often too willing to help the Einsatzkommandos in their grisly tasks."@eng . "Selbstschutz"@eng . .