Manuscript real jurisdiction. On march 1255, <a href="https://en.wikipedia.org/wiki/Alfonso_X_of_Castile" class="extiw" title="w:Alfonso X of Castile">Alfonso X of Castile</a> gave to the neighbors of <a href="https://en.wikipedia.org/wiki/Aguilar_de_Campoo" class="extiw" title="w:Aguilar de Campoo">Aguilar de Campoo</a> the text called with the name of "Fuero de leyes" or "Fuero real".
Taller del infante Fadrique de Castilla
<a rel="nofollow" class="external text" href="http://www.spanisharts.com/books/literature/ampliaciones/freal.htm">Alfonso X. Fuero Real de España. 1541.</a>