Columbia subject headings:
Harvard subject headings:
Archivo Histórico Diocesano (León, Spain)--Catalogs.
Catholic Church. Diocese of León (Spain)--History--Sources--Bibliography--Catalogs.
León (Spain)--Church history--Manuscripts--Catalogs.
León (Spain)--Church history--Sources--Bibliography--Catalogs.
León (Spain)--History--Sources--Bibliography--Catalogs.
Manuscripts, Spanish--Spain--León--Catalogs.
Princeton subject headings:
Archives--Spain--Leon (Diocese).
Archivo Histórico Diocesano (León, Spain)