Columbia subject headings:
Plato. Statesman--Congresses.
Political science--Early works to 1800--Congresses.
Harvard subject headings:
Plato. Statesman--Congresses.
Political science--Early works to 1800--Congresses.
Princeton subject headings:
Plato. Statesman--Congresses.
Political science--Early works to 1800--Congresses.