Columbia subject headings:
Plato. Republic--Congresses.
Harvard subject headings:
Greek language--Translating into Latin--Congresses.
Italy--Intellectual life--1268-1559--Congresses.
Plato--Congresses.
Plato. Republic--Congresses.
Princeton subject headings:
Greek language--Translating into Latin--Congresses.
Plato--Appreciation--Italy--Congresses.
Plato. Republic--Congresses.