Main content
Library records, 1891-2003 (inclusive)
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: German Society of Pennsylvania: Joseph P. Horner Memorial Library [Contact Us]
Held at: Philadelphia Museum of Art Archives [Contact Us]
Held at: Pennsylvania Horticultural Society [Contact Us]
Held at: Academy of Natural Sciences, Philadelphia [Contact Us]
Held at: Bryn Mawr College [Contact Us]
Held at: Science History Institute Archives [Contact Us]
Held at: Science History Institute Archives [Contact Us]
Held at: Science History Institute Archives [Contact Us]