7 Tolles, Quakers and Atlantic Culture, 124.
8 Clair W. Keller, “The Pennsylvania Commission System, 1712 to 1740,” PMHB 93 (1969), 372-82; this essay summarizes a dissertation by the same author, “Pennsylvania Government, 1701-1740” (thesis, Univ. of Wash., 1967).
9 Tully, William Penn’s Legacy, develops this point.