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William Whitaker And Sons, Incorporated records, 1921-1977 (inclusive)
Held at: Philadelphia University: Paul J. Gutman Library, Special Collections [Contact Us]
Held at: Philadelphia University: Paul J. Gutman Library, Special Collections [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: German Society of Pennsylvania: Joseph P. Horner Memorial Library [Contact Us]
Held at: Drexel University: Archives and Special Collections [Contact Us]
Held at: Friends Historical Library of Swarthmore College [Contact Us]
Held at: Haverford College Quaker & Special Collections [Contact Us]