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.1605, e-artnow
James Weldon Johnson, Sondra K. Wilson (1995). “The Selected Writings of James Weldon Johnson: Social, political, and literary essays”, p.304, Oxford University Press on Demand