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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: Highlands Historical Society [Contact Us]
Held at: Lansdale Historical Society [Contact Us]
Held at: Old York Road Historical Society [Contact Us]
Held at: University of Pennsylvania: Kislak Center for Special Collections, Rare Books and Manuscripts [Contact Us]
Held at: University of Pennsylvania: Architectural Archives [Contact Us]
Held at: Princeton University Library: Manuscripts Division [Contact Us]
Held at: Bryn Mawr College [Contact Us]
Held at: Haverford College Quaker & Special Collections [Contact Us]
Held at: Glen Foerd on the Delaware [Contact Us]