Columbia subject headings:
Colonate--Congresses.
Land tenure--Rome--Congresses.
Landowners--Rome--Congresses.
Peasants--Rome--Congresses.
Harvard subject headings:
Colonate.
Colonatus (Roman law).
Land tenure (Roman law)--History.
Serfdom (Roman law).
Princeton subject headings:
Colonate--Congresses.
Land tenure--Rome--Congresses.
Landowners--Rome--Congresses.
Peasants--Rome--Congresses.