Columbia subject headings:
Christian martyrs--Istria (Croatia and Slovenia)--Biography--Early works to 1800.
Christian martyrs--Italy--Aquileia--Biography--Early works to 1800.
Persecution--History--Early church, ca. 30-600--Early works to 1800.
Harvard subject headings:
Christian martyrs--Istria (Croatia and Slovenia)--Biography--Early works to 1800.
Christian martyrs--Italy--Aquileia--Biography--Early works to 1800.
Persecution--History--Early church, ca. 30-600--Sources.
Princeton subject headings:
Christian martyrs--Istria (Croatia and Slovenia)--Biography--Early works to 1800.
Christian martyrs--Italy--Aquileia--Biography--Early works to 1800.
Persecution--History--Early church, ca. 30-600--Early works to 1800.