Guzman, Martin Luis, 1887- The eagle and the serpent / translated from the Spanish by Harriet de Onis. With an introd. by Federico de Onis - Glaucester, Mass. : Peter Smith, 1969 - xiv, 386 p. ; 21 cm. Translation of El aguila y la serpiente Subjects--Personal Names: Villa, Pancho, 1878 - 1923 Subjects--Geographic Terms: Mexico--History--1910 - 1946