Columbia subject headings:
Agriculture and politics--Germany--History--20th century.
Agriculture and state--Germany--History--20th century.
Germany--Politics and government--1918-1933.
Harvard subject headings:
Agriculture and politics--Germany--History--20th century.
Agriculture and state--Germany--History--20th century.
Germany--Politics and government--1918-1933
Lobbying--Germany--History--20th century.
National socialism.
Reichs-Landbund (Germany)
Reichs-Landbund.
Princeton subject headings:
Agriculture and state--Germany--History--20th century.
Germany--Politics and government--1918-1933.
Lobbying--Germany--History--20th century.
Reichs-Landbund.