Columbia subject headings:
Harvard subject headings:
Political planning.
Problem solving
Scharpf, Fritz Wilhelm--Interviews.
Princeton subject headings:
Interviews.
Max-Planck-Institut für Gesellschaftsforschung.
Political planning.
Political science--Germany.
Problem solving.
Research institutes--Germany.
Scharpf, Fritz Wilhelm--Interviews.
Scharpf, Fritz Wilhelm--Political and social views.
Sociologists--Germany--Interviews.