1. Emir Rodríguez Monegal,Jorge Luis Borges: A Literary Biography(New York:Dutton,1978), p.68.
2. James Woodall,Borges: A Life(New York:Basic Books,1996), p.151.
3. Gene H. Bell-Villada,Borges and his Fiction: A Guide to his Mind and Art(Austin:University of Texas Press,1999), p.243.
4. Biography of an Immortal
5. W. H. Bossart,Borges and Philosophy: Self, Time and Metaphysics(New York:Peter Lang,2003), pp.160–62.