John Wesley (1827). “The Works of the Rev. John Wesley: A plain account of Christian perfection. The appeals to men of reason and religion. Principles of the Methodists, &c”, p.62
John Wesley, John Emory (1835). “The Works of the Late Reverend John Wesley, A.M.: From the Latest London Edition with the Last Corrections of the Author, Comprehending Also Numerous Translations, Notes, and an Original Preface, Etc”, p.554