Columbia subject headings:
Peter, of Alexandria, Saint, -311.
Pierius, Saint, -312.
Theognostus, of Alexandria, active 3rd century.
Harvard subject headings:
Peter I, Saint, Bishop of Alexandria, -311.
Petrus I, Bp. of Alexandria, d. 3ll.
Pierius, Saint, -312.
Pierius, of Alexandria, active 3d century.
Theognostus, of Alexandria, active 3rd century.
Theognostus, of Alexandria.
Princeton subject headings: