Richard Baxter, William Orme (1830). “The Practical Works of the Rev. Richard Baxter: With a Life of the Author, and a Critical Examination of His Writings”, p.602
Richard Baxter (1847). “The Practical Works of Richard Baxter; with a Preface, Giving Some Account of the Author, and of this Edition of His Practical Works; an Essay on His Genius, Works, and Times ...”, p.383
John Wesley (1871). “Wesley his own biographer, being illustrations of his character, labours, and achievements, from his own journals and letters [ed.] with an intr. by G.S. Rowe”, p.158
"Greg Laurie: Watered-Down Mainline Christianity Is a Sign of the End Times (Interview)". Interview with Samuel Smith, www.christianpost.com. August 29, 2016.