Columbia subject headings:
Harvard subject headings:
Historiography--Spain--History--Congresses.
Madrid (Spain)--History--Congresses.
Spain--History--711-1516--Historiography--Congresses.
Princeton subject headings:
Historiography--Spain--History--Congresses.
Madrid (Spain)--Historiography--Congresses.
Madrid (Spain)--History--Congresses.
Spain--History--711-1516--Historiography--Congresses.