Columbia subject headings:
Harvard subject headings:
Ovid, 43 B.C.-17 A.D. or 18 A.D. Epistulae ex Ponto.
Ovid, 43 B.C.-17 A.D. or 18 A.D. Tristia.
Ovid, 43 B.C.-17 A.D. or 18 A.D.--Criticism and interpretation.
Princeton subject headings:
Ovid, 43 B.C.-17 A.D. or 18 A.D.--Travel--Pontus.
Pontus--Description and travel.
Turkey--Description and travel.