Columbia subject headings:
Harvard subject headings:
Elite (Social sciences)--Italy--Rome--History.
Prefetti family.
Rome (Italy)--Genealogy.
Princeton subject headings:
Italy--History--1268-1492.
Papacy--History--To 1500.
Papal States--Officials and employees--Biography.
Power (Social sciences)--Italy--Papal States--History--To 1500.
Prefetti family.