Columbia subject headings:
Harvard subject headings:
Church and state--Italy.
Church and state.
Dante Alighieri, 1265-1321--Translations into English.
Italy--Politics and government--1268-1559.
Political science--Early works to 1800
Political science--Italy--Early works to 1800
Princeton subject headings:
Church and state.
Italy--Politics and government--1268-1559.
Political science--Early works to 1800.