Charlotte Bronte, Emily Bronte, Anne Bronte (2009). “The Bronte Sisters: Three Novels: Jane Eyre; Wuthering Heights; and Agnes Grey (Penguin Classics Deluxe Edition)”, p.433, Penguin
Sylvia Townsend Warner, Valentine Ackland, Susanna Pinney (1998). “I'll stand by you: selected letters of Sylvia Townsend Warner and Valentine Ackland : with narrative by Sylvia Townsend Warner”, Random House (UK)