Our Collection

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.

Grégoire, Marie-Thérèse de (d. 1811) to Henry Knox

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Gilder Lehrman Collection #: GLC02437.03515 Author/Creator: Grégoire, Marie-Thérèse de (d. 1811) Place Written: Boston, Massachusetts Type: Manuscript letter signed Date: 8 April 1787 Pagination: 2 p. : docket ; 22.6 x 18.7 cm. Order a Copy

Forwards a letter of recommendation from the Marquis de Lafayette, and asks Knox for help in her claim of "a tract of Land Laying at the Eastward with the Island of Mount Desert," in what is now Maine.

Marie-Thérèse de Grégoire, née de La Mothe Cadillac, was the granddaughter of Antoine Laumet de La Mothe, sieur de Cadillac. de La Mothe was a governor of Louisiana, one of the founders of Detroit, Michigan, and the namesake of Cadillac cars. Madame de Grégoire claimed the inheritance of the island of Mount Desert through him, as the island was a gift from Louis XIV in 1688.

Knox, Henry, 1750-1806
Grégoire, Marie-Thérèse de, ?-1811
Lafayette, Marie Joseph Paul Yves Roch Gilbert Du Motier, marquis de, 1757-1834

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