Columbia subject headings:
Harvard subject headings:
Christian martyrs--Congresses.
Christian martyrs--Italy--Non Valley--Congresses.
Christian martyrs--Italy--Trentino-Alto Adige--Congresses.
Martyrdom--Christianity--Congresses.
Non Valley (Italy)--Church history--Congresses.
Persecution--History--Early church, ca. 30-600--Congresses.
Trentino-Alto Adige (Italy)--Church history--Congresses.
Princeton subject headings:
Christian martyrs--Italy--Trento (Province)--History--Congresses.
Martyrdom--Christianity--Congresses.
Trento (Italy : Province)--Church history.