Columbia subject headings:
Harvard subject headings:
Agriculture and state--Germany--Magdeburg (Regierungsbezirk)--History--20th century.
Agriculture--Germany (East)--History--20th century.
Collective farms--Germany--Magdeburg (Regierungsbezirk)--History--20th century.
Collectivization of agriculture--Germany--Magdeburg (Regierungsbezirk)--History--20th century.
Land reform--Germany (East)--History--20th century.
Princeton subject headings:
Agriculture and state--Germany--Magdeburg (Regierungsbezirk)--History--20th century.
Agriculture--Germany (East)--History--20th century.
Collective farms--Germany--Magdeburg (Regierungsbezirk)--History--20th century.
Collectivization of agriculture--Germany--Magdeburg (Regierungsbezirk)--History--20th century.
Land reform--Germany (East)--History--20th century.