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Dr. J. Elmer Porter family papers, 1870-1960 (bulk) 1829-1977 (inclusive)
Held at: Pottstown Historical Society [Contact Us]
Held at: Pottstown Historical Society [Contact Us]
Held at: Pottstown Historical Society [Contact Us]
Held at: St. James' Community History Center [Contact Us]
Held at: The Historical Society of Trappe, Collegeville, Perkiomen Valley [Contact Us]
Held at: Welsh Valley Preservation Society [Contact Us]
Held at: Goschenhoppen Historians, Inc. [Contact Us]
Held at: Goschenhoppen Historians, Inc. [Contact Us]
Held at: Highlands Historical Society [Contact Us]
Held at: Horsham Preservation and Historical Association [Contact Us]
Held at: Historical Society of Fort Washington [Contact Us]