- El final de Norma
- Cortina's French in 20 Lessons, Illustrated: Intended for Self-Study and for Use in Schools
- Inglés En Veinte Lecciones, Con Un Sistema De Articulacion Basado En Equivalencias Españoles, Por El Que Se Asegura Una Pronunciatión Correcta, Por R. Diez De La Cortina......
- Cortina's French method (twenty lessons): Intended for use in schools, etc., and for self-study, with a system of articulation, based on English equivalents, for acquiring a correct pronunciation,
- Spanish In 20 Lessons (Cortina Method)




























