Jane Austen (2006). “Illustrated Jane Austen - 8 Books in 1. Illustrated by Hugh Thomson. Sense & Sensibility, Pride & Prejudice, Mansfield Park, Emma, Northanger Abbey, P”, p.328, Shoes & Ships & Sealing Wax
Mark Twain, John Sutton Tuckey (1980). “The Devil's Race-track: Mark Twain's Great Dark Writings : the Best from Which was the Dream? and Fables of Man”, p.337, Univ of California Press
Ralph Cudworth, Thomas Birch (1838). “The True Intellectual System of the Universe: Wherein All the Reason and Philosophy of Atheism is Confuted, and Its Impossibility Demonstrated. A Treatise on Immutable Morality; with a Discourse Concerning the True Notion of the Lord's Supper: and Two Sermons on 1. John 2: 3, 4, and 1. Cor. 15: 27”, p.577