5 Ann Cooper Whitall Diary, 2.v.1760, HAV.
6 Frost, The Quaker Family, 207.
7 Thistlethwaite, ed., Yorkshire Quarterly Meeting, 238.
8 Keith Thomas, Man and the Natural World (New York, 1983), 158.
9 Elizabeth Drinker Diary, 16.x. 1793, HSP.
10 Watson, Annals of Philadelphia, I, 279.