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.

Cass, Lewis, 1782-1866 to Thomas Seymour re: introducing John Marmen Grigg

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Gilder Lehrman Collection #: GLC02925.04 Author/Creator: Cass, Lewis, 1782-1866 Place Written: Washington, District of Columbia Type: Autograph letter signed Date: 1858/03/18 Pagination: 3 p. : Height: 20 cm, Width: 13 cm Order a Copy

Written as Secretary of State. Seymour was American Minister to Russia.

Burr, Alfred, fl. 1858

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