этот обычай существовал

<span style=”font-weight: 400;”>Elliott S. Horowitz, Reckless Rites: Purim and the Legacy of Jewish Violence, Princeton University Press,  (2006 p. 86; Magda Teter, Jews and Heretics in Catholic Poland. A Beleaguered Church in the Post-Reformation Era, Cambridge University Press 2005 pp. 91-92.