Columbia subject headings:
Harvard subject headings:
Boito, Arrigo, 1842-1918. Nerone--Congresses.
Civilization, Modern--Roman influences--Congresses.
Rome--Civilization--Influence--Congresses.
Rome--History--Study and teaching--Congresses.
Rome--In literature--Congresses
Princeton subject headings:
Boito, Arrigo, 1842-1918. Nerone--Congresses.
Civilization, Modern--Roman influences--Congresses.
Rome--Civilization--Influence--Congresses.
Rome--History--Study and teaching--Congresses.
Rome--In literature--Congresses.