Search Results
Main content
Weiss family of Weissport, Pennsylvania papers, 1777-1916 (inclusive)
Held at: Academy of Natural Sciences, Philadelphia [Contact Us]
Main content
Horace G. Richards papers, 1928-1984 (inclusive)
Held at: Academy of Natural Sciences, Philadelphia [Contact Us]
Main content
William Wagner lectures, 1815-1905 (inclusive)
Held at: Wagner Free Institute of Science [Contact Us]
Main content
The Lehigh Coal And Navigation Company records, Bulk, 1826-1913 1815-1940
Held at: Lehigh University Special Collections [Contact Us]
Main content
Princeton University Library Collection of Western Americana Photographs, 1870-1915 (bulk) 1840-1998 (inclusive)
Held at: Princeton University Library: Manuscripts Division [Contact Us]
Main content
Harold W. Arndt papers of the Delaware County Institute of Science, Geological and Mineralogical Section, 1938-1942 (inclusive)
Held at: Delaware County Institute of Science [Contact Us]
Main content
Edward Drinker Cope papers, 1859-1907 (inclusive)
Held at: Academy of Natural Sciences, Philadelphia [Contact Us]
Main content
T. Chalkley Palmer natural science teaching collection, circa 1880-1930
Held at: Delaware County Institute of Science [Contact Us]