Mapes, E. K. (September 1949). "The Pseudonyms of Manuel Gutiérrez Nájera". Modern Language Association. 64 (4): 648–677. doi:10.2307/459625. JSTOR459625.
Mapes, E. K. (September 1949). "The Pseudonyms of Manuel Gutiérrez Nájera". Modern Language Association. 64 (4): 648–677. doi:10.2307/459625. JSTOR459625.