Columbia subject headings:
Harvard subject headings:
Agricultural industries--Germany--Magdeburg (Province)--History.
Agriculture--Economic aspects--Germany--Magdeburg (Province)--History.
Magdeburg Region (Germany)--Rural conditions.
Princeton subject headings:
Agricultural industries--Germany (East)--Magdeburg (Province)--History.
Agriculture--Economic aspects--Germany (East)--Magdeburg (Province)--History.
Magdeburg (Province)--Rural conditions.