Columbia subject headings:
Harvard subject headings:
Antoninus Pius, Emperor of Rome, 86-161--Congresses.
Rome--History--Antoninus Pius, 138-161--Sources--Congresses.
Rome--Politics and government--30 B.C.-284 A.D.--Historiography--Congresses.
Princeton subject headings:
Antoninus Pius, Emperor of Rome, 86-161--Congresses.
Rome--History--Antoninus Pius, 138-161--Sources--Congresses.
Rome--Politics and government--30 B.C.-284 A.D.--Historiography--Congresses.