Columbia subject headings:
Harvard subject headings:
Collective memory--Congresses.
Historiography--Congresses
History, Modern--20th century--Congresses.
History, Modern--21st century--Congresses.
World politics--20th century--Congresses
Princeton subject headings:
Collective memory--Congresses.
Historiography--Congresses.
History, Modern--20th century--Congresses.
History, Modern--21st century--Congresses.
World politics--20th century--Congresses.