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 Our Boys in France Learning to Correctly Use Gas Masks.

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Gilder Lehrman Collection #: GLC09584.190 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 row of American soldiers learn how to put on gas masks at a camp in France.

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