Columbia subject headings:
Rome--History--Empire, 284-476.
Valentinian I, Emperor of Rome, 321-375.
Harvard subject headings:
Byzantine Empire--History--Valens, 364-378
Paganism--Rome.
Procopius, Usurper in the East, 326-366.
Rome--Historiography
Valens, Emperor of the East, 328-378.
Princeton subject headings:
Rome--History--Empire, 284-476.
Valentinian I, Emperor of Rome, 321-375.