8 Perm to Stephen Crisp, 28 Feb. 1685, Papers of William Penn, III, 28.

9 Penn to Robert Turner et al., 12.ii. [Apr.] 1681, Papers of William Penn, II, 89.

10 Penn, “Some Account of the Province of Pennsylvania,” 197-254.

11 Here I follow Mary Maples Dunn, Politics and Conscience (Princeton, 1967), with one difference. Penn’s idea, I think, was not Christian unity but Christian harmony—a crucial distinction on which Penn’s idea of reciprocal liberty was based.