Columbia subject headings:
Harvard subject headings:
Collective memory--Europe, Central--Congresses.
Collective memory--Europe, Eastern--Congresses.
Collective memory--Germany--Congresses.
Europe, Central--Historiography--19th century--Congresses.
Europe, Central--Historiography--20th century--Congresses.
Europe, Central--History--Congresses.
Europe, Eastern--Historiography--19th century--Congresses.
Europe, Eastern--Historiography--20th century--Congresses.
Europe, Eastern--History--Congresses.
Frederick I, Holy Roman Emperor, approximately 1123-1190--Congresses.
Germany--Historiography--19th century--Congresses.
Germany--Historiography--20th century--Congresses.
Germany--History--Congresses.
Germany--Kings and rulers--Historiography--Congresses.
Holy Roman Empire--Kings and rulers--Historiography--Congresses.
Princeton subject headings:
Collective memory--Europe, Central--Congresses.
Collective memory--Europe, Eastern--Congresses.
Collective memory--Germany--Congresses.
Europe, Central--Historiography--19th century--Congresses.
Europe, Central--Historiography--20th century--Congresses.
Europe, Central--History--Congresses.
Europe, Eastern--Historiography--19th century--Congresses.
Europe, Eastern--Historiography--20th century--Congresses.
Europe, Eastern--History--Congresses.
Frederick I, Holy Roman Emperor, approximately 1123-1190--Congresses.
Germany--Historiography--19th century--Congresses.
Germany--Historiography--20th century--Congresses.
Germany--History--Congresses.
Germany--Kings and rulers--Historiography--Congresses.
Holy Roman Empire--Kings and rulers--Historiography--Congresses.