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|←Author Index: Wa||John Wallis
|English mathematician given partial credit for the development of infinitesimal calculus|
- A Letter of Dr. John Wallis to Samuel Pepys Esquire, Relating to Some Supposed Imperfections in an Organ (1753) (transcription project) from the Journal of Philosophical Transactions (1683-1775), Vol 20, pp 249–256
- “Wallis, John (1616-1703),” in Dictionary of National Biography, London: Smith, Elder, & Co., (1885–1900) in 63 vols.