Columbia subject headings:
Chronograms.
Numerals.
Numeration.
Turkey--Historiography.
Turkey--History--Chronology.
Harvard subject headings:
Chronograms.
Numerals
Numeration
Turkey--Historiography.
Turkey--History--Chronology.
Princeton subject headings:
Chronograms.
Numerals.
Numeration.
Turkey--Historiography.
Turkey--History--Chronology.