Columbia subject headings:
Rome--History--Antonines, 96-192.
Rome--History--Flavians, 69-96.
Rome--History--Julio-Claudians, 30 B.C.-68 A.D.
Harvard subject headings:
Rome--History--Antonines, 96-192
Rome--History--Flavians, 69-96
Rome--History--Julio-Claudians, 30 B.C.-68 A.D.
Princeton subject headings:
Rome--History--Empire, 30 B.C.-284 A.D.
Rome--Politics and government--30 B.C.-284 A.D.