^ a b c "Judischer Ordnungsdienst". Museum of Tolerance. Simon Wiesenthal Center. Retrieved on 2008-01-14.
^ Raul Hilberg: The Destruction of the European Jews, Quadrangle Books, Chicago 1961, p. 310.
^ Collins, Jeanna R.. "Am I a Murderer?: Testament of a Jewish Ghetto Policeman (review)". Mandel Fellowship Book Reviews. Kellogg Community College. Retrieved on 2008-01-13.
In Warsaw Ghetto the Jewish police numbered 2500 people, in Ghetto Litzmannstadt 1200, in Lviv Ghetto 500 people etc.
The Polish-Jewish historian and the Warsaw Ghetto archivist Emanuel Ringelblum has described the cruelty of the ghetto police as "at times greater than that of the Germans, the Ukrainians and the Latvians."
Shortly before the Warsaw Ghetto Uprising Ringelblum together with his family was smuggled out of the Ghetto and hidden on the "Aryan" side. However, on March 7, 1944 his refuge was discovered by the Germans; Ringelblum with his family were executed together with the family of Poles who hid them.
Samuel D. Kassow, Who Will Write Our History? Emanuel Ringelblum, the Warsaw Ghetto, and the Oyneg Shabes Archive, Bloomington & Indianapolis 2007.
Samuel D. Kassow, "Emanuel Ringelblum and Jewish Society", Michael, Institute of Diaspora Studies, Tel Aviv University, 2004