Columbia subject headings:
Agriculture--Economic aspects--Russia--Kara-Kalpak.
Land tenure--Russia--Kara-Kalpak.
Harvard subject headings:
Agriculture--Economic aspects--Uzbekistan--Karakalpakstan.
Land tenure--Uzbekistan--Karakalpakstan.
Princeton subject headings:
Agriculture--Economic aspects--Soviet Union--Kara-Kalpak.
Land tenure--Soviet Union--Kara-Kalpak.