Part One Introduction -- Introduction (Albert Gerhards and Clemens Leonhard) -- Jakob J. Petuchowski (1925-1991): Rabbi, Scholar, Ecumenist (Hans Hermann Henrix) -- Crossing Borders. The Kedusha and the Sanctus: a Case Study of the Convergence of Jewish and Christian Liturgy (Albert Gerhards) -- Part Two Liturgical Poetry -- The Meaning of the Cairo Genizah for Students of Early Jewish and Christian Liturgy (Stefan C. Reif) -- Biblical Texts in Jewish Prayers: Their History and Function (Ruth Langer) -- Parashat 'Asser Te'asser' in Piyyut and Piyyut Commentary (Elisabeth Hollender) -- Developments within the Statutory Text of the Birkat ha-Mazon in Light of its Poetic Counterparts (Avi Shmidman) -- Observations on the Relationship Between JPA Poetry and the Hebrew Piyyut Tradition-The Case of the Kinot (Michael Rand) -- What Jacob Actually Wrote about Ephraim (Andrew Palmer) -- Part Three Theology and History -- Reflections on the Exploration of Jewish and Christian Liturgy from the Viewpoint of a Systematic Theology of Liturgy (Stephan Wahle) -- Ethiopian Anaphoras. Status and Tasks in Current Research Via an Edition of the Ethiopian Anaphora of the Apostles (Reinhard Meßner and Martin Lang) -- Early Eucharist in Transition? A Fresh Look at Origen (Harald Buchinger) -- The Creed in the Liturgy: Prayer or Hymn? (Wolfram Kinzig) -- Part Four Rabbinic Judaism and Christianity -- The Ancestors' Prayers for the Salvation of Israel in Early Rabbinic Thought (Uri Ehrlich) -- King Solomon and Psalms 72 and 24 in the Debate Between Jews and Christians (Marcel Poorthuis) -- Parody and Polemics on Pentecost: Talmud Yerushalmi Pesahim on Acts 2? (Daniel Stökl-Ben Ezra) -- The Roots of the Early Christian Eucharist: Jewish Blessings or Hellenistic Symposia? (Gerard Rouwhorst).

Blessings over Wine and Bread in Judaism and Christian Eucharistic Prayers. Two Independent Traditions (Clemens Leonhard) -- Indices -- Index of Names -- Index of Subjects.