History Jews Intellectual life Jewish learning and scholarship Jewish religious education Judaism General Hasidism, Medieval RELIGION Tosafists Ethnic relations Histoire Tossafistes Éducation religieuse juive Hassidisme médiéval Juifs Relations interethniques Savoir et érudition Vie intellectuelle EDUCATION Essays HISTORY Hassidisme medieval Identity Jewish Jewish diaspora Jewish magic Judaïsme Jüdische Erziehung Medieval and early modern period