Columbia subject headings:
Ammianus Marcellinus. Rerum gestarum libri.
Rome--History--Constantine I, the Great, 306-337--Historiography.
Rome--History--Constantines, 306-363--Historiography.
Harvard subject headings:
Ammianus Marcellinus.
Princeton subject headings:
Ammianus Marcellinus. Rerum gestarum libri.
Rome--History--Empire, 284-476--Historiography.