Columbia subject headings:
Curves, Algebraic--History--Sources.
Differential calculus--History--Sources.
Differential equations, Partial--History--Sources.
Harvard subject headings:
Curves, Algebraic--History--Sources.
Differential calculus--History--Sources.
Differential equations, Partial--History--Sources.
Princeton subject headings:
Curves, Algebraic--History--Sources.
Differential calculus--History--Sources.
Differential equations, Partial--History--Sources.