This volume is devoted to selected aspects of the culture and language of the two largest Jewish Diaspora groups, Sephardim and Ashkenazim. The authors analyze the latest European research tendencies related to both Jewish factions. Questions concern the historical, social and cultural contact with non-Jewish environment, the problems of Jewish identity, the condition of languages in both groups (Yiddish, Judeo-Spanish, Hakitia), and Jewish anthroponymy. The reflections concern various areas of contemporary Germany, Poland, Russia, the Balkan countries, Italy, the countries of North Africa...