Isaac Newton
- Wikipedia article on Isaac Newton.
- Philosophiae Naturalis Principia Mathematica (Latin) by Isaac Newton at Project Gutenberg.
- The Method of Fluxions and Infinite Series by Isaac Newton at the Internet Archive.
- Chapter 6 of Men of Mathematics by E. T. Bell.
- Wikipedia article on Gottfried Wilhelm Leibniz
- Chapter 7 of Men of Mathematics by E. T. Bell.
- Wikipedia article on the Act of Settlement 1701.
- Wikipedia article on the Leibniz-Newton controversy.
- Wikipedia article on Jacob Bernoulli
- Wikipedia article on Johann Bernoulli
- Wikipedia article on Guillaume de l'Hôpital.
- Wikipedia article on l'Hôpital's Rule
- Wikipedia article on Nicolas Fatio de Duillier.
- Commercium Epistolicum of 1716.
- The Calculus Wars: Newton, Leibniz, and the Greatest Mathematical Clash of All Time by Jason Socrates Bardi, ISBN 978-1560-25992-3.