Columbia subject headings:
Bishops--Italy--Arezzo--Biography--Early works to 1800.
Christian hagiography.
Christian martyrs--Italy--Biography--Early works to 1800.
Christian saints--Italy--Biography--Early works to 1800.
Donatus, Saint, Bishop of Arezzo, -362.
Harvard subject headings:
Bishops--Italy--Arezzo--Biography--Early works to 1800.
Christian hagiography.
Christian martyrs--Italy--Biography--Early works to 1800.
Christian saints--Italy--Biography--Early works to 1800.
Donatus, Saint, Bishop of Arezzo, -362.
Princeton subject headings: