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Academy of Natural Sciences, Philadelphia papers on expeditions, 1819-1969 (inclusive)
Held at: Academy of Natural Sciences, Philadelphia [Contact Us]
Held at: Academy of Natural Sciences, Philadelphia [Contact Us]
Held at: Academy of Natural Sciences, Philadelphia [Contact Us]
Held at: German Society of Pennsylvania: Joseph P. Horner Memorial Library [Contact Us]
Held at: German Society of Pennsylvania: Joseph P. Horner Memorial Library [Contact Us]
Held at: German Society of Pennsylvania: Joseph P. Horner Memorial Library [Contact Us]
Held at: Drexel University: Archives and Special Collections [Contact Us]
Held at: Drexel University: Archives and Special Collections [Contact Us]
Held at: Drexel University: Archives and Special Collections [Contact Us]
Held at: Drexel University: Archives and Special Collections [Contact Us]
Held at: Drexel University: Archives and Special Collections [Contact Us]