Tolong jelaskan mengenai Kolaborasi dengan Mary Shelley dari Percy Bysshe Shelley

(1817) History of a Six Weeks' Tour

(1818) Frankenstein; or, The Modern Prometheus

Meaker, M. J. Sudden Endings, 12 Profiles in Depth of Famous Suicides, Garden City, New York, Doubleday, 1964 p. 67-93: "The Deserted Wife: Harriet Westbrook Shelley".

Maurois, André, Ariel ou la vie de Shelley, Paris, Bernard Grasset, 1923