Columbia subject headings:
Friars--Italy--Marche--History--Congresses.
Marche (Italy)--Church history--Congresses.
Monasticism and religious orders--Italy--Marche--History--Middle Ages, 600-1500--Congresses.
Harvard subject headings:
Friars--Italy--Marche--History--Congresses.
Monasticism and religious orders--Italy--Marche--History--Congresses.
Princeton subject headings: