See R. M. Jones, The Faith and Practice of the Quakers (1927, repr. 1980); R. Bauman, Let Your Words Be Few (1984); B. Reay, The Quakers and the English Revolution (1985); E. D. Bonner and D. Fraser, ed., The Papers of William Penn (1986); R. S. and M. M. Dunn, ed., The World of William Penn (1987); H. L. Barbour and W. Frost, The Quakers (1988); M. H. Bacon, Mothers of Feminism: The Story of Quaker Women in America (1989); J. Walvin, The Quakers: Money and Morals (1998).
The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2012, Columbia University Press. All rights reserved.