"Who I Am, and What I Think". Interview in Frank Harris's periodical "The Candid Friend" (May 1901), later quoted in George Bernard Shaw "Sixteen Self Sketches" (p. 53), 1949, and in Desmond King-Hele, "Shelley: His Thought and Work" (p. 42), 1984.
D.J. MacHale (2012). “Pendragon Books 6-10: The Rivers of Zadaa; The Quillan Games; The Pilgrims of Rayne; Raven Rise; The Soldiers of Halla”, p.45, Simon and Schuster