Through the marriage of Isabella I of Castile and Ferdinand II of Aragon in 1469 and, later in 1624, the reorganization of the monarchy led by the Count-Duke of Olivares, Sardinia would progressively join a broad Spanish cultural sphere and leave the exclusive Aragonese one. Spanish was perceived as an elitist language, gaining solid ground among the ruling Sardinian class; Spanish had thus a profound influence on Sardinian, especially in those words, styles and cultural models owing to the prestigious international role of the Habsburg Monarchy as well as the Court. Most Sardinian authors would write in both Spanish and Sardinian until the 19th century and were well-versed in the former, like Vicente Bacallar y Sanna that was one of the founders of the Real Academia Española; according to Bruno Anatra's estimates, around 87% of the books printed in Cagliari were in Spanish. A notable exception was Pedro Delitala (1550–1590), who decided to write in Italian instead. Nonetheless, the Sardinian language retained much of its importance, earning respect from the Spaniards in light of it being the ethnic code the people from most of the Kingdom kept using, especially in the interior. New genres of popular poetry were established around this period, like the or (sacred hymns), the (lullabies), the (funeral laments), the (quatrains), the and (curses), and the improvised poetry of the and .