Columbia subject headings:
Harvard subject headings:
Associations, institutions, etc.--Law and legislation--Rome.
Associations, institutions, etc.--Rome--History.
Rome--History--Empire, 30 B.C.-284 A.D.
Princeton subject headings:
Associations, institutions, etc.--Law and legislation--Rome.
Associations, institutions, etc.--Rome--History.
Rome--History--Empire, 30 B.C.-284 A.D.