Columbia subject headings:
Harvard subject headings:
Byzantine Empire--History--1081-1453--Early works to 1800.
Chalkokondylēs, Laonikos, approximately 1430-approximately 1490. De rebus Turcicis.
Turkey--History--1288-1453--Early works to 1800.
Princeton subject headings:
Byzantine Empire--History--1081-1453--Early works to 1800.
Turkey--History--1288-1453--Early works to 1800.