Columbia subject headings:
Athanasius, Saint, Patriarch of Alexandria, -373.
Church history--Primitive and early church, ca. 30-600--Sources.
Harvard subject headings:
Athanasius, Saint, Patriarch of Alexandria, -373
Athanasius, Saint, Patriarch of Alexandria, -373. Epistolae festales
Athanasius, Saint, Patriarch of Alexandria, -373. Epistolae festales--Indexes.
Church history--Primitive and early church, ca. 30-600
Easter--Early works to 1800.
Egypt--Church history--Sources.
Princeton subject headings:
Athanasius, Saint, Patriarch of Alexandria, -373.
Church history--Primitive and early church, ca. 30-600--Sources.