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Ritter family papers, circa 1840-2004, undated
Held at: Historical Society of Pennsylvania [Contact Us]
Held at: Historical Society of Pennsylvania [Contact Us]
Held at: Plymouth Meeting Historical Society [Contact Us]
Held at: Radnor Historical Society [Contact Us]
Held at: Sellersville Museum [Contact Us]
Held at: Solebury Township Historical Society [Contact Us]
Held at: Springfield Township Historical Society (Bucks County, Pa.) [Contact Us]
Held at: Springfield Township Historical Society (Montgomery County, Pa.) [Contact Us]
Held at: The Historical Society of Trappe, Collegeville, Perkiomen Valley [Contact Us]
Held at: Tredyffrin Easttown Historical Society [Contact Us]
Held at: Upper Darby Historical Society [Contact Us]