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.

O'Sullivan The Slaughter Pen at the base of Big Round Top, Gettysburg battlefield [PA]. Confederate corpses lie scattered about among the rocks.

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Gilder Lehrman Collection #: GLC05111.01.0780 Author/Creator: O'Sullivan Place Written: [s.l.] Type: Photograph Date: 6 July 1863 Pagination: 1 photograph 9.5 x 10.8 cm Order a Copy

Inscription on verso: "The Wilderness slaughterpen." Numeric notation on verso: "128."

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