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.

Patterson, Robert M. Collection of 27 manuscripts and 2 broadsides re: defense of Philadelphia [Decimalized .01- .27]

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Gilder Lehrman Collection #: GLC02978 Author/Creator: Patterson, Robert M. Place Written: [various] Type: Header Record Date: 1813-1814 Pagination: 25 M + 2 Br Order a Copy

Printed and manuscript materials relating to the construction of earthen defenses around Philadelphia. Most date from 8/30/1814 - 10/31/1814.

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