Columbia subject headings:
Harvard subject headings:
Bavaria (Germany)--History--Congresses.
Bavaria (Germany)--History--Exhibitions.
Czech Republic--History--Congresses.
Czech Republic--History--Exhibitions.
Princeton subject headings:
Bavaria (Germany)--History--Congresses.
Bavaria (Germany)--History--Exhibitions.
Czech Republic--History--Congresses.
Czech Republic--History--Exhibitions.