«Por las huelgas los juglares». Alfonso XI de Compostela a Burgos siguiendo el Libro de la Coronación de los Reyes de Castilla

The Libro de la Coronación de los Reyes de Castilla (Real Biblioteca de El Escorial, Cód. & III-3) is an extraordinary manuscript that combines two fourteenth-century coronation ordines of the kings of Castile and Aragon. The first was seemingly prepared for the coronation and anointing of Alfonso xi of Castile, an event that eventually took place in 1332. It is the only such liturgical codex preserved for a Castilian king. The text adapts an imperial coronation Ordo, the so-called Ordo of Constantinople. The text remained unfinished after the description of the ceremony of the king's taking up of arms.