DeGruyter Encyclopedia of Jewish-Christian Relations This link opens in a new windowEJCR covers a wide range of topics, including, but not limited to theological concepts (e.g., Christology, Excommunication) spiritual and religious practices (e.g., Prayer, Blessing), ritual (Circumcision, Baptism, Dietary Laws), geographic topics (Ashkenaz, Middle East), denominational concepts (Karaites, Reform Judaism) and political and historical issues (Zionism, Antisemitism). The arts play a role as well, looking at medieval depictions of the ‘Jews’ sow’ or typologies such as ‘Synagogae/Ecclesia’ depictions or the ‘wise and the foolish virgins’.