Later, in Madrid he co-founded (with Miguel Asín Palacios) the journal Cultura Española (1906–1909).
[1] Ribera's work focused on the Islamic culture of Al-Andalus and its legacy in Spain.
He would eventually take several new approaches to Arabic studies, although he began following the lead of his mentor Prof. Codera.
[4] Later his interest was directed to investigating the rich heritage of Arabic music and poetry in Al Andalus, and the extent of its influence on subsequent Spanish literature and music, as well as on that of other European countries.
He was at the cutting edge of work in this area, which has since grown into a large corpus of academic studies.