Columbia subject headings:
Harvard subject headings:
Agricultural laborers, Foreign--Soviet Union--History.
Cheese industry--Soviet Union--History.
Cheesemakers--Russia.
Foreign workers, Swiss--Soviet Union--History.
Milk trade--Soviet Union--History.
Soviet Union--Rural conditions.
Swiss cheese.
Swiss--Russia.
Princeton subject headings:
Agricultural laborers, Foreign--Russia--History.
Cheese industry--Russia--History.
Foreign workers, Swiss--Russia--History.
Milk trade--Russia--History.
Russia--Rural conditions.