John Gibson Paton (1907). “John G. Paton, missionary to the New Hebrides: An autobiography edited by his brother. New and complete illustrated edition: 1824-1907”
Charlotte Bronte, Emily Bronte, Anne Bronte (2009). “The Bronte Sisters: Three Novels: Jane Eyre; Wuthering Heights; and Agnes Grey (Penguin Classics Deluxe Edition)”, p.425, Penguin