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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.

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1814/08/31

Fonciu, John, fl. 1814

Autograph document signed

Title: [Provision of Fortifications indispensable to the defense of Philadelphia] [French]

Fonciu, a French officer who had lived in Philadelphia, was Jonathan Williams' chief assistant in the volunteer association of field engineers organized by Philadelphia's Committee of Defence.

GLC02978.05

1814/09/18

Fonciu, John, fl. 1814

Autograph letter signed

Title: to Robert M. Patterson [French]

Fonciu, a French officer who had lived in Philadelphia, was Jonathan Williams' chief assistant in the volunteer association of field engineers organized by Philadelphia's Committee of Defence.

GLC02978.14

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