Columbia subject headings:
Calculus--Early works to 1800.
Circle--Early works to 1800.
Curves--Early works to 1800.
Cycloids--Early works to 1800.
Least squares--Early works to 1800.
Logarithms--Early works to 1800.
Triangle--Early works to 1800.
Trigonometry--Early works to 1800.
Harvard subject headings:
Mathematics--Early works to 1800
Princeton subject headings:
Mathematics--Early works to 1800.