Columbia subject headings:
Harvard subject headings:
Papal States--Politics and government.
Umbria (Italy)--Church history.
Umbria (Italy)--History.
Umbria (Italy)--Politics and government.
Princeton subject headings:
Papal States--Politics and government.
Umbria (Italy)--Church history.
Umbria (Italy)--History.
Umbria (Italy)--Politics and government.