Historia civil, eclesiástica, política y legislativa de la M. N. y M. L. Ciudad de Victoria : sus privilegios, esenciones, franquezas y libertades deducida de memorias y documentos auténticos
The Azkue Library and Archive serves Euskaltzaindia. It is also open to all researchers and it aims to foster research and support the distribution of Basque cultural issues as far as it is able.