Penn, W., Barclay, R., & Pike, J. (1770). Three treatises, in which the fundamental principle, doctrines, worship, ministry and discipline of the people called Quakers, are plainly declared. Philadelphia: Reprinted by Joseph Crukshank.

Penn, William, Robert Barclay, and Joseph Pike. Three Treatises, in Which the Fundamental Principle, Doctrines, Worship, Ministry and Discipline of the People Called Quakers, Are Plainly Declared. Philadelphia: Reprinted by Joseph Crukshank, 1770.

Penn, William, Robert Barclay, and Joseph Pike. Three Treatises, in Which the Fundamental Principle, Doctrines, Worship, Ministry and Discipline of the People Called Quakers, Are Plainly Declared. Philadelphia: Reprinted by Joseph Crukshank, 1770.