Columbia subject headings:
Augustus, Emperor of Rome, 63 B.C.-14 A.D.--Correspondence.
Rome--History--Augustus, 30 B.C.-14 A.D.--Sources.
Harvard subject headings:
Augustus, Emperor of Rome, 63 B.C.-14 A.D.--Correspondence.
Rome--History--Augustus, 30 B.C.-14 A.D.--Sources.
Princeton subject headings:
Augustus, Emperor of Rome, 63 B.C.-14 A.D.--Correspondence.
Rome--History--Augustus, 30 B.C.-14 A.D.--Sources.