- Author: Pedro Bosch-Gimpera
- Language: Spanish
- Year: 1995
- Author: José María Jover Zamora, Ramón Menéndez Pidal, Pedro Bosch Gimpera, Pedro Aguado Bleye, Manuel Torres, José M. Pabón, Pascual Galindo, José Ramón Mélida, José Ferrandis, Pedro G. De Artíñano
- Language: Spanish
- Year: 1935
- Author: Pedro Bosch-Gimpera
- Language: Spanish
- Year: 1995