Caracteres generales del judeo-español de Oriente (1930)
Appears to be a general description of Ladino, but details are uncertain. Written in Spanish. Likely all rights reserved. Can be found on Tripod here and WorldCat here.
Ortografía del Ladino : soluciones y evolución (1988)
A description of the orthography and etymology of Ladino. Written in Spanish. Likely all rights reserved. Can be found on Tripod here and WorldCat here.
