Columbia subject headings:
Church history--Primitive and early church, ca. 30-600--Periodicals.
Harvard subject headings:
Christian antiquities--Rome--Periodicals.
Church history--Primitive and early church, ca. 30-600--Periodicals.
Electronic journals.
Fathers of the church--Periodicals.
Theology, Doctrinal--History--Early church, ca. 30-600--Periodicals.
Theology--History--Early church, ca. 30-600--Periodicals.
Princeton subject headings:
Church history--Primitive and early church, ca. 30-600--Periodicals.
Periodicals.