John Keats (2015). “John Keats - The Man Behind The Lyrics: Life, letters, and literary remains: Complete Letters and Two Extensive Biographies of one of the most beloved English Romantic poets”, p.803, e-artnow
John Keats (2015). “John Keats - The Man Behind The Lyrics: Life, letters, and literary remains: Complete Letters and Two Extensive Biographies of one of the most beloved English Romantic poets”, p.440, e-artnow