Columbia subject headings:
Bishops--Italy--Biography--Congresses.
Catholic Church--Bishops--Biography--Congresses.
Gubbio (Italy)--Intellectual life--17th century.
Sperelli, Alessandro, 1590-1671--Congresses.
Harvard subject headings:
Bishops--Italy--Biography--Congresses.
Catholic Church--Bishops--Biography--Congresses.
Gubbio (Italy)--Intellectual life--Congresses.
Sperelli, Alessandro, 1589-1672--Congresses.
Princeton subject headings: