Columbia subject headings:
Nonprofit organizations--Germany (West)--Discipline.
Professional associations--Germany (West)--Discipline.
Trade associations--Germany (West)--Discipline.
Unincorporated societies--Germany (West)--Discipline.
Harvard subject headings:
Nonprofit organizations--Germany (West)--Discipline.
Professional associations--Germany (West)--Discipline.
Trade associations--Germany (West)--Discipline.
Unincorporated societies--Germany (West)--Discipline.
Princeton subject headings: