ʾAḥad be-kol dimyonot : hagutam ha-diʾaleḳṭit shel Ḥaside ʾAshkenaz = One God, many images : dialectical thought in Hasidei Ashkenaz - Lifshits, Yosef Yitsḥaḳ (Verfasser) (Sifriyat "Helal Ben Ḥayim", le-madʿe ha-Yahadut, 2015)