Columbia subject headings:
Visigoths--History--Congresses.
Visigoths--Spain--History--Congresses.
Harvard subject headings:
Visigoths--History--Congresses.
Visigoths--Spain--History--Congresses.
Princeton subject headings:
Visigoths--History--Congresses.
Visigoths--Spain--History--Congresses.