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 Soldiers About to Enter Tear-Gas Trench, Camp Dix, N.J.

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Gilder Lehrman Collection #: GLC09584.191 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

A group of American soldiers wearing gas masks enter a tear-gas trench for practice with chemical warfare at Camp Dix, NJ.

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