Columbia subject headings:
Harvard subject headings:
Archivo Histórico Diocesano de Cádiz--Catalogs.
Gibraltar--Church history--Sources--Bibliography--Catalogs.
Gibraltar--History--Sources--Bibliography--Catalogs.
Princeton subject headings:
Archivo Histórico Diocesano de Cádiz--Catalogs.
Gibraltar--Church history--Sources--Bibliography--Catalogs.
Gibraltar--History--Sources--Bibliography--Catalogs.