Whole country

Database

Bibliotheca Virtual del Patrimonio Bibliográfico - contains numerous digitized manuscripts from Spanish libraries (overview under menu item: estadísticas; more specific search for medieval manuscripts possible under menu item: búsqueda sencilla by specifying a time frame ("entre --- y ---").

Manuscript lists

HAENEL, Gustav: Catalogi Librorum Manuscriptorum qui in Bibliothecis Galliae, Helvetiae, Belgii, Britanniae maioris, Hispaniae, Lusitaniae asservantur. Leipzig 1830 (ndr. Hildesheim, New York 1976) (GoogleBooks).