Thomas More, Francis Bacon, Henry Neville (1999). “Three Early Modern Utopias: Thomas More: Utopia / Francis Bacon: New Atlantis / Henry Neville: The Isle of Pines”, p.12, OUP Oxford
John Owen (1815). “Meditations and Discourses on the Glory of Christ: In Two Parts. I. In His Person, Office, and Grace; with the Differences Between Faith and Sight: Applied Unto the Use of Them that Believe. II. The Application of the Same Meditations Unto Unconverted Sinners, and Saints Under Spiritual Decays”, p.3
George MacDonald, Rolland Hein (2004). “The Heart of George MacDonald: A One-Volume Collection of His Most Important Fiction, Essays, Sermons, Drama, and Biographical Information”, p.399, Regent College Publishing