Columbia subject headings:
Roman provinces--Congresses.
Rome--Antiquities--Congresses.
Rome--Colonies--Congresses.
Harvard subject headings:
Roman provinces--Administration--Congresses.
Rome--Antiquities--Congresses.
Rome--Boundaries--Congresses.
Rome--Colonies--Administration--Congresses.
Princeton subject headings:
Roman provinces--Congresses.
Rome--Antiquities--Congresses.
Rome--Colonies--Congresses.