Columbia subject headings:
Cicero, Marcus Tullius. De legibus.
Cicero, Marcus Tullius. De republica.
Harvard subject headings:
Cicero, Marcus Tullius. De legibus--Congresses.
Cicero, Marcus Tullius. De republica--Congresses.
Political science--Rome--History--Congresses.
State, The--Philosophy--Congresses.
Princeton subject headings:
Cicero, Marcus Tullius. De legibus.
Cicero, Marcus Tullius. De republica.
Political science--Congresses.
State, The--Philosophy--Congresses.