Columbia subject headings:
Catholic Church--Italy--Perugia--Clergy--History--20th century.
Modernism (Christian theology)--Catholic Church--History.
Perugia (Italy)--Church history--20th century.
Theological seminaries--Italy--Perugia--History--20th century.
Theology--Study and teaching--Catholic Church--History--20th century.
Harvard subject headings:
Catholic Church--Italy--Perugia--Clergy--History--20th century.
Catholic Church--Italy--Perugia--History.
Modernism (Christian theology)--Catholic Church--History.
Perugia (Italy)--Church history--20th century.
Perugia (Italy)--Church history.
Pius X, Pope, 1835-1914.
Theological seminaries--Italy--Perugia--History--20th century.
Theology--Study and teaching--Catholic Church--History--20th century.
Princeton subject headings: