Columbia subject headings:
Harvard subject headings:
Agriculture, Cooperative--Germany--Norden (Lower Saxony)--History.
Cooperative societies--Germany--Norden (Lower Saxony)--History.
Theelacht (Cooperative)
Princeton subject headings:
Agriculture, Cooperative--Germany (West)--Norden (Lower Saxony)--History.
Cooperative societies--Germany (West)--Norden (Lower Saxony)--History.
Theelacht (Cooperative)