Columbia subject headings:
Collective memory--Social aspects--Spain.
Collective memory--Spain--History--20th century.
Harvard subject headings:
Collective memory--Spain--Congresses.
Spain--History--20th century--Congresses.
Spain--Politics and government--20th century--Congresses.
Princeton subject headings:
Collective memory--Spain--Congresses.
Spain--History--20th century--Congresses.
Spain--Politics and government--20th century--Congresses.