S
WArchive-Library of the Cathedral of Santiago de Compostela and the medieval documentary funds
WCasa de las ConchasA
WCentral Library of Cantabria
WEl EscorialB
WKitab al-I'tibar
WLibrary of the Royal Institute of Asturian StudiesC
WUniversidad Laboral de Gijón
WUniversity of BarcelonaD
WUniversity of Salamanca
WUniversity of Santiago de CompostelaE
WUniversity of Seville
WUniversity of ValladolidF
WUniversity of Zaragoza Library
WWoermann Tower