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.

Horn Co. [Environmental teach-in pin]

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Gilder Lehrman Collection #: GLC09894.08 Author/Creator: Horn Co. Place Written: Philadelphia, Pennsylvania Type: Object Date: 1970 Pagination: 1 button Height: 3.2 cm, Width: 3.2 cm Order a Copy

One green pin printed with a peace sign depicted by tree branches dated 1970. Pertains to an environmental teach-in that took place in Washington, D.C.

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