Rosenthal, Donald, , Asphodel Editions, 2008. Scoble, Robert. , Strange Attractor, London, 2014. Scoble, Robert. , Strange Attractor, London, 2013. Symons, A.J.A. . Cassell, London, 1934.(2. utgave) Woolf, Cecil and Sewell, Brocard (eds). . Icon books, London, 1965.