Columbia subject headings:
Harvard subject headings:
Levi, Mario Attilio, 1902-1998
Levi, Mario Attilio, 1902-1998--Bibliography.
Roman law.
Rome--Politics and government.
Tribunus plebis.
Princeton subject headings:
Levi, Mario Attilio, 1902-1998--Bibliography.
Levi, Mario Attilio, 1902-1998.
Roman law.
Rome--Politics and government.
Tribunus plebis.