Diana Gabaldon (2012). “The Outlander Series 7-Book Bundle: Outlander, Dragonfly in Amber, Voyager, Drums of Autumn, The Fiery Cross, A Breath of Snow and Ashes, An Echo in the Bone”, p.464, Dell
Nathaniel Hawthorne, Herman Melville, Julian Hawthorne (2015). “Life and Genius of Nathaniel Hawthorne: Letters, Diaries, Reminiscences and Extensive Biographies: Autobiographical Writings of the Renowned American Novelist, Author of “The Scarlet Letter”, “The House of Seven Gables” and “Twice-Told Tales””, p.374, e-artnow