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At the Institute’s core is the Gilder Lehrman Collection, one of the great archives in American history. More than 85,000 items cover five hundred years of American history, from Columbus’s 1493 letter describing the New World through the end of the twentieth century.

Knox, Henry (1750-1806) Calculations relative to the intended operation in Virginia

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Gilder Lehrman Collection #: GLC02437.09947 Author/Creator: Knox, Henry (1750-1806) Place Written: s.l. Type: Autograph document Date: circa August 1781 Pagination: 4 p. : docket ; 23.1 x 19.1 cm. Order a Copy

Calculations regarding artillery for the operation to Yorktown, Virginia. Lists artillery by type and poundage, as well as their current location and whether provided by French or American forces.

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