{"value"=>"VI. Collections - Autographs (collected by Samuel Ward)"}
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{"value"=>"<p>The outstanding Autograph Collection comprises substantial letters by famous mathematicians and scientists - from a 1647 letter by Marin Mersenne to Johann Hevelius to an 1856 letter from the naturalist Aimé Jacques Alexandre Bonpland. Included are holograph letters from Jean Bernoulli, Euler, Hailey, Lagrange, and Leibniz. Most of the collection was probably acquired by Ward with his purchase of the Legendre library, some of the letters actually being addressed to A. M. Legendre.</p>"}