Columbia subject headings:
Barbo, Ludovico, active 15th century.
Bishops--Italy--Treviso.
Catholic Church. Diocese of Treviso (Italy)--History.
Treviso (Italy)--Church history--15th century.
Harvard subject headings:
Barbo, Ludovico, Bp., 1382-1443.
Barbo, Ludovico, active 15th century.
Princeton subject headings: