Columbia subject headings:
Advertising--Germany (West)
Competition, Unfair--Germany (West)
Competition--Germany (West)
Lawyers--Germany (West)
Professions--Germany (West)
Tax consultants--Germany (West)
Harvard subject headings:
Advertising--Germany (West)
Competition--Germany (West)
Lawyers--Germany (West)
Tax consultants--Germany (West)
Princeton subject headings: