Columbia subject headings:
Byzantine letters.
Christian literature, Early--Greek authors.
Firmus, of Caesarea, Bishop of Caesarea, active 5th century.
Harvard subject headings:
Firmus, Bishop of Caesarea--Correspondence.
Princeton subject headings:
Bishops--Turkey--Cappadocia--Correspondence.
Cappadocia (Turkey)--Church history--Sources.
Cappadocian Fathers--Correspondence.
Church history--Primitive and early church, ca. 30-600--Sources.
Firmus, of Caesarea, Bishop of Caesarea, active 5th century--Correspondence.