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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.

McPherson, & Oliver, fl. 1864 Carte de visite of "Trench[e]s at Port Hudson."

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Gilder Lehrman Collection #: GLC04596.03 Author/Creator: McPherson, & Oliver, fl. 1864 Place Written: Baton Rouge, Louisiana Type: Photograph Date: [n.d.] Pagination: 6.2 cm. x 10.1 cm. White mount with blue border; McPherson & Oliver imprint on verso. Order a Copy

Penciled caption on verso, with additional inscriptions "310" and "7793." Image of several tents and a pavilion in a wooded valley.

Flinn, John William, fl. 1863-1893
McPherson & Oliver (New Orleans, Louisiana), fl. 1860-1869

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