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J. d'Arcy Northwood papers, 1910-1966 (inclusive)

Held at: John James Audubon Center at Mill Grove [Contact Us]

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Crawford H. Greenewalt papers, 1951-1993 (inclusive)

Held at: Academy of Natural Sciences, Philadelphia [Contact Us]

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Mary Wickham Bond papers on the "real" James Bond, 1907-1997 (inclusive)

Held at: Free Library of Philadelphia: Rare Book Department [Contact Us]

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Graceanna Lewis natural history papers, 1869-1890 (bulk) 1869-2006 (inclusive)

Held at: Delaware County Institute of Science [Contact Us]