Columbia subject headings:
Arianism.
Theology--History--Early church, ca. 30-600.
Trinity--Early works to 1800.
Harvard subject headings:
Arianism.
Theology--Early works to 1800
Theology--History--Early church, ca. 30-600
Trinity--Early works to 1800.
Princeton subject headings:
Arianism.
Theology--Early works to 1800.
Trinity.