“History of John Harris”. Mrs. Carlyle C. Browne (descendant of Sarah Ann Harris, fifth daughter of Alfred Bingham Harris, and granddaughter of Elisha John Harris of the Mansion, Harrisburg PA, USA) (2001年). 2011年2月14日閲覧。
Charter for the Province of Pennsylvania-1681. This charter, granted by Charles II (England) to William Penn, constituted him and his heirs proprietors of the province, which, in honor of his father, Admiral William Penn, (whose cash advances and services were thus requited,) was called Pennsylvania. To perfect his title, William Penn purchased, on 1682-08-24, a quit-claim from the Duke of York to the lands west of the Delaware River embraced in his patent of 1664
