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Pennsylvania Horticultural Society records, 1791-2006 (inclusive)
Held at: Pennsylvania Horticultural Society [Contact Us]
Held at: Pennsylvania Horticultural Society [Contact Us]
Held at: Library Company of Philadelphia [Contact Us]
Held at: Philadelphia Archdiocesan Historical Research Center [Contact Us]
Held at: Philadelphia Archdiocesan Historical Research Center [Contact Us]
Held at: German Society of Pennsylvania: Joseph P. Horner Memorial Library [Contact Us]
Held at: Independence Seaport Museum, J. Welles Henderson Archives and Library [Contact Us]
Held at: Historical Medical Library of The College of Physicians of Philadelphia [Contact Us]
Held at: Historical Medical Library of The College of Physicians of Philadelphia [Contact Us]
Held at: Science History Institute Archives [Contact Us]
Held at: Historical Medical Library of The College of Physicians of Philadelphia [Contact Us]