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Mathias family papers, 1790-1840 (bulk) 1709-1912 (inclusive)
Held at: Historical Society of Hilltown Township [Contact Us]
Held at: Historical Society of Hilltown Township [Contact Us]
Held at: Historical Society of Montgomery County [Contact Us]
Held at: Historical Society of Montgomery County [Contact Us]
Held at: Historical Society of Montgomery County [Contact Us]
Held at: Kennett Township Historical Commission [Contact Us]
Held at: Marple Historical Society [Contact Us]
Held at: Nether Providence Historical Society [Contact Us]
Held at: Newtown Square Historical Society [Contact Us]
Held at: Old York Road Historical Society [Contact Us]
Held at: Science History Institute Archives [Contact Us]