Charlotte Bronte, Emily Bronte, Anne Bronte (2009). “The Bronte Sisters: Three Novels: Jane Eyre; Wuthering Heights; and Agnes Grey (Penguin Classics Deluxe Edition)”, p.133, Penguin
William Shakespeare, Thomas Bowdler (1850). “The Family Shakspeare, in One Volume: In which Nothing is Added to the Original Text, But Those Words and Expressions are Omitted which Cannot with Propriety be Read in a Family”, p.840