Columbia subject headings:
Arithmetic--Early works to 1900.
Astronomy--Mathematics--Early works to 1800.
Chronology, Historical--Early works to 1800.
Mathematics--Early works to 1800.
Harvard subject headings:
Arithmetic--Early works to 1900
Astronomy--Mathematics--Early works to 1800.
Chronology, Historical--Early works to 1800
Mathematics--Early works to 1800
Princeton subject headings: