Columbia subject headings:
Harvard subject headings:
Agriculture--Economic aspects--Germany--Swabia--Congresses.
Community development, Urban--Germany--Swabia--History--Congresses.
Economic development--Germany--Swabia--History--Congresses.
Rural development--Germany--Swabia--History--Congresses.
Swabia (Germany)--Economic conditions--Congresses.
Swabia (Germany)--Environmental conditions--Congresses.
Swabia (Germany)--Social life and customs--Congresses.
Princeton subject headings:
Agriculture--Economic aspects--Germany--Swabia--Congresses.
Community development, Urban--Germany--Swabia--History--Congresses.
Economic development--Germany--Swabia--History--Congresses.
Rural development--Germany--Swabia--History--Congresses.
Swabia (Germany)--Economic conditions--Congresses.
Swabia (Germany)--Environmental conditions--Congresses.
Swabia (Germany)--Social life and customs--Congresses.