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.

Keystone View Company Building Barbed Wire Entanglements -- Reserve Officers in Training Camp, Ft. Sheridan, Ill.

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Gilder Lehrman Collection #: GLC09584.192 Author/Creator: Keystone View Company Place Written: Germany Type: Stereocard Date: 1914-1918 Pagination: 1 stereocard ; 8.7 x 17.7 cm. Order a Copy

Soldiers at Fort Sheridan, Illinois, construct a barbed wire entanglement between two trees. Soldiers are seen in a field in the background.

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