Columbia subject headings:
Harvard subject headings:
Deutscher Landkreistag--Periodicals.
Germany--Economic policy--Periodicals.
Regional planning--Germany--Periodicals.
Princeton subject headings:
Deutscher Landkreistag--Directories.
Deutscher Landkreistag--Periodicals.
Directories.
Germany--Economic policy--Periodicals.
Local government--Germany--Periodicals.
Periodicals.
Regional planning--Germany--Periodicals.