Columbia subject headings:
Harvard subject headings:
Antitrust law--Europe--Congresses.
Antitrust law--Germany
Antitrust law--Germany--Congresses.
Cartels--Europe--Congresses.
Cartels--Germany--Congresses.
Restraint of trade--Europe--Congresses.
Restraint of trade--Germany--Congresses.
Restraint of trade--Germany.
Princeton subject headings:
Antitrust law--Europe--Congresses.
Antitrust law--Germany--Congresses.
Restraint of trade--Europe--Congresses.
Restraint of trade--Germany--Congresses.