Columbia subject headings:
Germany--Historiography--Congresses.
Memory--Political aspects--Germany--Congresses.
Memory--Political aspects--Spain--Congresses.
Spain--Historiography--Congresses.
Harvard subject headings:
Germany--Historiography--Congresses.
Memory--Political aspects--Germany--Congresses.
Memory--Political aspects--Spain--Congresses.
Spain--Historiography--Congresses.
Princeton subject headings: