Columbia subject headings:
Agriculture and state--Estonia--History.
Collectivization of agriculture--Estonia--History.
Land tenure--Estonia--History.
Harvard subject headings:
Agriculture and state--Estonia--History.
Collectivization of agriculture--Estonia--History.
Land tenure--Estonia--History.
Princeton subject headings:
Agriculture and state--Estonia--History.
Collectivization of agriculture--Estonia--History.
Land tenure--Estonia--History.