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Willis Appleford Slater Papers, 1910-1937, inclusive dates (inclusive)
Held at: Lehigh University Special Collections [Contact Us]
Held at: Lehigh University Special Collections [Contact Us]
Held at: Bryn Mawr College [Contact Us]
Held at: Bryn Mawr College [Contact Us]
Held at: Bryn Mawr College [Contact Us]
Held at: Bryn Mawr College [Contact Us]
Held at: Pennsylvania Horticultural Society [Contact Us]
Held at: Pennsylvania Horticultural Society [Contact Us]
Held at: Academy of Natural Sciences, Philadelphia [Contact Us]
Held at: Academy of Natural Sciences, Philadelphia [Contact Us]
Held at: Independence Seaport Museum, J. Welles Henderson Archives and Library [Contact Us]
Held at: Independence Seaport Museum, J. Welles Henderson Archives and Library [Contact Us]
Held at: Independence Seaport Museum, J. Welles Henderson Archives and Library [Contact Us]
Held at: Independence Seaport Museum, J. Welles Henderson Archives and 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]
Held at: Temple University Libraries Special Collections Research Center [Contact Us]