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.

unkown Upper Silesia Plebiscite Area

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Gilder Lehrman Collection #: GLC02766.003 Author/Creator: unkown Place Written: Upper Silesia Type: Map Date: 17 August 1900 Pagination: 1 p. ; 29.5 x 38.5 cm. Order a Copy

Shows area of developed mineral resources, including coal bearing area. Also includes railways and district boundaries. Red line for final British proposal, Blue for French, and Green for League of Nations lines.

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