External Links:

Amigos de la Historia Najerillense:
http://www.amigosdelahistorianajerillense.com/

Museo Najerillense:
http://www.najeraenred.es/najera/monumentos/museo-najerillense/

Museo de la Rioja:
https://www.larioja.org/npRioja/default/defaultpage.jsp?idtab=431222

Digital version of the Becerro Galicano manuscript from San Millán de la Cogolla:
http://www.ehu.es/galicano/?l=en

San Millán monasteries: UNESCO site:
http://whc.unesco.org/en/list/805

Moncayo Archaeological Survey, NE Spain:
https://www.dur.ac.uk/archaeology/research/projects/all/?mode=project&id=262