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Springfield Township Historical Society Wharton Sinkler Estate collection, 1926-2002 (inclusive)
Held at: Springfield Township Historical Society (Montgomery 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: Upper Uwchlan Township Historic Commission [Contact Us]
Held at: West Caln Township Historical Commission [Contact Us]
Held at: Wallace Township Archives [Contact Us]
Held at: Historical Society of Pennsylvania [Contact Us]
Held at: Historical Society of Pennsylvania [Contact Us]
Held at: John Bowman Bartram Special Collections Library [Contact Us]
Held at: Chadds Ford Historical Society [Contact Us]
Held at: Charlestown Historical Society [Contact Us]