Columbia subject headings:
Christianity--Origin.
Church history--Primitive and early church, ca. 30-600.
Jesus Christ--Historicity.
Willoughby, Harold R. (Harold Rideout), 1890-1962.
Harvard subject headings:
Christianity--Origin
Church history--Primitive and early church, ca. 30-600
Church history--Primitive and early church, ca. 30-600.
Jesus Christ--Historicity.
Willoughby, Harold R. (Harold Rideout), 1890-1962--Bibliography.
Willoughby, Harold R. (Harold Rideout), 1890-1962.
Princeton subject headings:
Christianity--Origin.
Church history--Primitive and early church, ca. 30-600.
Jesus Christ--Historicity.
Willoughby, Harold Rideout, 1890-