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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.

Mann, Horace, 1796-1859 Speech of Hon. Horace Mann, on the right of Congress to legislate for the territories of the United States, and its duty to exclude slavery therefrom:

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Gilder Lehrman Collection #: GLC00267.121 Author/Creator: Mann, Horace, 1796-1859 Place Written: Boston, Massachusetts Type: Pamphlet Date: 1848 Pagination: 48 p. : Height: 18.7 cm, Width: 12 cm Order a Copy

First Boston edition, with an added letter from Hon. Martin Van Buren, a free soiler, and Rev. Joshua Leavitt. Opposes the Mexican War and the extension of slavery. Delivered in the House of Representatives on 30 June 1848. Printed in Boston by J. Howe.

Mann, Horace, 1796-1859

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