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.

Osborn's Gallery interior of Fort Sumter's casemate .

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Gilder Lehrman Collection #: GLC04509.38 Author/Creator: Osborn's Gallery Place Written: Charleston, South Carolina Type: Photograph Date: April 1861 Pagination: carte de visite, 6.2 x 9.9 cm. White mount with gold border. Order a Copy

Oval scene of a river valley pasted on verso. Purported to be the only known photograph of the interior of Fort Sumter's casemate, this view shows a row of guns mounted beneath brick archways.

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