Columbia subject headings:
Harvard subject headings:
Church history--Primitive and early church, ca. 30-600
Church history--Primitive and early church, ca. 30-600.
Frend, W. H. C.
Princeton subject headings:
Church history--Primitive and early church, ca. 30-600.
Frend, W. H. C. (William Hugh Clifford), 1916-2005.