Columbia subject headings:
Harvard subject headings:
Universität Heidelberg. Institut für Sozial- und Staatswissenschaften--History--Congresses.
Princeton subject headings:
Heidelberg (Germany)--Intellectual life.
Political science--Study and teaching (Higher)--Germany--Heidelberg--History--20th century.
Political scientists--Germany--Heidelberg--History--20th century.
Sociologists--Germany--Heidelberg--History--20th century.
Sociology--Study and teaching (Higher)--Germany--Heidelberg--History--20th century.
Universität Heidelberg. Institut für Sozial- und Staatswissenschaften--History.