Columbia subject headings:
Otranto (Italy)--History--Sources.
Turkey--History--Mehmed II, 1451-1481--Sources.
Harvard subject headings:
Naples (Kingdom)--History--Spanish rule, 1442-1707.
Otranto (Italy)--History.
Turkey--History--Mehmed II, 1451-1481.
Turks--Italy--Otranto--History.
Princeton subject headings:
Otranto (Italy)--History--Sources.
Turkey--History--Mehmed II, 1451-1481--Sources.