Columbia subject headings:
Labor laws and legislation--Japan--Dictionaries--Japanese.
Labor movement--Dictionaries--Japanese.
Labor--Dictionaries--Japanese.
Labor--History--Dictionaries--Japanese.
Labor--Japan--History--Dictionaries--Japanese.
Harvard subject headings:
Labor movement--Bibliography.
Labor movement--Dictionaries--Japanese.
Labor--Bibliography
Labor--Dictionaries--Japanese.
Working class--Bibliography.
Working class--Dictionaries--Japanese.
Working class--Japan--Dictionaries--Japanese.
Princeton subject headings: