E
Madrid: Editorial América, 1920.
Londres: Bookmarks, 1999.
Chapel Hill: University of North Carolina Press, 1993.
Nueva York/Oxford: Berghahn Books, 1998.
Princeton, NJ: Princeton University Press, 1986.
Cambridge: Cambridge University Press, 1926.
Londres: Oswald Wolff, 1969.
Biografías
México: Siglo XXI, 1982.