Columbia subject headings:
Harvard subject headings:
Business and politics--Germany--Congresses.
Democracy--Economic aspects--Germany--Congresses.
Democracy--Germany--Congresses.
Economics--Political aspects--Germany--Congresses.
Political participation--Germany--Congresses.
Princeton subject headings:
Business and politics--Germany--Congresses.
Democracy--Economic aspects--Germany--Congresses.
Democracy--Germany--Congresses.
Economics--Political aspects--Germany--Congresses.
Political participation--Germany--Congresses.