Columbia subject headings:
Foreign workers, Korean--Civil rights--Russia (Federation)
Human rights--Korea (North)
Working class--Korea (North)
Harvard subject headings:
Foreign workers, Korean--Civil rights--Russia (Federation)
Foreign workers, Korean--Russia (Federation)--Social conditions.
Human rights--Korea (North)
Labor supply--Korea (North)
Princeton subject headings:
Foreign workers, Korean--Civil rights--Russia.
Foreign workers, Korean--Russia--Economic conditions.
Foreign workers, Korean--Russia--Social conditions.
Human rights--Korea (North)
Human rights--Russia.
Korea (North)--Relations--Russia.
Russia--Relations--Korea (North).
Seasonal labor--Russia--Social conditions.
Working class--Korea (North).