Columbia subject headings:
Apostasy.
Church history--Primitive and early church, ca. 30-600.
Conversion--Christianity.
Harvard subject headings:
Apostasy.
Church history--Primitive and early church, ca. 30-600
Church history--Primitive and early church, ca. 30-600.
Conversion
Princeton subject headings:
Apostasy.
Church history--Primitive and early church, ca. 30-600.
Conversion.