Columbia subject headings:
Emperors--Rome--Biography.
Rome--History--Empire, 30 B.C.-284 A.D.
Scriptores historiae Augustae--Criticism, Textual.
Harvard subject headings:
Emperors--Rome--Biography
Latin philology.
Rome--History--Empire, 30 B.C.-284 A.D.
Scriptores historiae Augustae--Language.
Princeton subject headings: