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Delaware County Institute of Science herbaria collection, 1833-1910 (bulk) 1833-2010 (inclusive)
Held at: Delaware County Institute of Science [Contact Us]
Held at: Delaware County Institute of Science [Contact Us]
Held at: The Historical and Interpretive Collections of The Franklin Institute [Contact Us]
Held at: Haverford Township Historical Society [Contact Us]
Held at: Upper Darby Historical Society [Contact Us]
Held at: Historical Society of the Eastern Pennsylvania Conference of the United Methodist Church [Contact Us]
Held at: Williamson College of the Trades (Williamson Free School of Mechanical Trades) [Contact Us]