Columbia subject headings:
Labor--Europe, Eastern--Economic conditions.
Labor--Europe, Eastern--Social conditions.
Labor--Hungary--Economic conditions.
Labor--Hungary--Social conditions.
Harvard subject headings:
Labor--Europe, Eastern--Economic conditions.
Labor--Europe, Eastern--Social conditions.
Labor--Hungary--Economic conditions.
Labor--Hungary--Social conditions.
Princeton subject headings:
Europe, Eastern--Social conditions.
Hungary--Social conditions.
Labor--Europe, Eastern.
Labor--Hungary.