Jozef Naumowicz is a member of the Committee of Historical Sciences of the Polish Academy of Sciences. He is the author and editor of many publications in the field of ancient Christianity and patrology, as well as the editor of the Library of the Church Fathers series.

• PART I: "Preparation" for Two New Feasts (up to A.D. 325): Interpretations of the Earliest Patristic TestimoniesPART II: The Origins of the Bethlehem Epiphaneia and Roman Natale PART III: The Patristic Explanations of the Origins of the Feast of the Nativity and Epiphany

Jozef Naumowicz is a member of the Committee of Historical Sciences of the Polish Academy of Sciences. He is the author and editor of many publications in the field of ancient Christianity and patrology, as well as the editor of the Library of the Church Fathers series.

• PART I: "Preparation" for Two New Feasts (up to A.D. 325): Interpretations of the Earliest Patristic TestimoniesPART II: The Origins of the Bethlehem Epiphaneia and Roman Natale PART III: The Patristic Explanations of the Origins of the Feast of the Nativity and Epiphany

Jozef Naumowicz is a member of the Committee of Historical Sciences of the Polish Academy of Sciences. He is the author and editor of many publications in the field of ancient Christianity and patrology, as well as the editor of the Library of the Church Fathers series.

• PART I: "Preparation" for Two New Feasts (up to A.D. 325): Interpretations of the Earliest Patristic TestimoniesPART II: The Origins of the Bethlehem Epiphaneia and Roman Natale PART III: The Patristic Explanations of the Origins of the Feast of the Nativity and Epiphany