Columbia subject headings:
Harvard subject headings:
Conference papers and proceedings.
Europe, Central--Guidebooks--History--Congresses.
Europe, Central--Historiography--Congresses.
Europe, Eastern--Guidebooks--History--Congresses.
Europe, Eastern--Historiography--Congresses.
Travel writing--Europe, Central--History--Congresses.
Travel writing--Europe, Eastern--History--Congresses.
Travel--Guidebooks--History--Congresses.
Princeton subject headings:
Tourism--Europe, Eastern.