St. Augustine, Dr. Howard Taylor, Mrs. Howard Taylor, Apostolic Fathers, J. Oswald Sanders (2010). “Moody Classics Complete Set”, p.2625, Moody Publishers
John Bunyan (1850). “The works of John Bunyan: With an introduction to each treatise, notes, and a sketch of his life, times, and contemporaries”, p.357
John Bunyan, William Mason (of Rotherithe.) (1814). “The pilgrim's progress from this world to that which is to come: delivered under the similitude of a dream ... In three parts”, p.247
John Bunyan (1831). “The works of that eminent servant of Christ, John Bunyan: minister of the gospel and formerly Pastor of a Congregatin at Bedford”, p.541
John Bunyan, George Whitefield (1768). “The Works of that Eminent Servant of Christ, Mr. John Bunyan: The holy war. The desire of the righteous granted. The saint's privilege and profit. Christ a compleat saviour. The saints knowledge of Christ's love. A discourse of the house of the forest of Lebanon. Of Anti-christ and his ruin. Saved by grace. Christian behaviour. A discourse touching prayer. The strait gate. Some gospel-truths opened. A vindication of gospel-truths opened. Light for them that sit in darkness. Instruction for the i”, p.814