Columbia subject headings:
Christian martyrs--History.
Martyrdom--Christianity--History of doctrines.
Martyrdom--Christianity--History.
Harvard subject headings:
Christian martyrs--Congresses.
Christian saints--Cult--History--Congresses.
Church history--Primitive and early church, ca. 30-600--Congresses.
Martyrdom--Christianity--History--Congresses.
Princeton subject headings: