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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.

Langley, Samuel Pierpont, 1834-1906 to T.M. Barber

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Gilder Lehrman Collection #: GLC02480.14 Author/Creator: Langley, Samuel Pierpont, 1834-1906 Place Written: Allegheny, Pennsylvania Type: Autograph letter signed Date: 15 June 1880 Pagination: 1 p. : Height: 21.8 cm, Width: 26 cm Order a Copy

Discusses editing a paragraph describing an observatory in Allegheny City, Pennsylvania. Addressed to Barber as Professor, Western University of Pennsylvania.

Langley, S. P. (Samuel Pierpont), 1834-1906
Barber, T. M., fl. 1880

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