Columbia subject headings:
Harvard subject headings:
Collective memory--Europe, Central--Congresses.
Collective memory--Europe, Eastern--Congresses.
Europe, Central--Civilization--Congresses.
Europe, Central--History--Congresses.
Europe, Eastern--Civilization--Congresses.
Europe, Eastern--History--1945---Congresses.
Tourism--Europe, Central--History--Congresses.
Tourism--Europe, Eastern--History--Congresses.
Princeton subject headings:
Heritage tourism--Europe, Central.
Heritage tourism--Europe, Eastern.