Christophea Leffingwell was appointed by John Shaw Billings to work at the Astor Library in New York City. She then worked in the Director's Office of the New York Public Library (Research Division) until her retirement in 1933. Collection...
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Christophea Leffingwell was appointed by John Shaw Billings to work at the Astor Library in New York City. She then worked in the Director's Office of the New York Public Library (Research Division) until her retirement in 1933. Collection consists of correspondence, maps, pamphlets, posters, serials, and other printed matter regarding investments in land, mines and industry. General correspondence, 1905-1911, contains incoming letters concerning potential investments in speculative ventures along with some papers, ca. 1905-1911, pertaining to investments in New York City. Printed materials include advertisements, maps, posters, serials, and newspapers.
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