Columbia subject headings:
Environmental law--Japan--Periodicals--Indexes.
Environmental law--Periodicals--Indexes.
Labor laws and legislation--Japan--Periodicals--Indexes.
Labor laws and legislation--Periodicals--Indexes.
Social legislation--Japan--Periodicals--Indexes.
Social legislation--Periodicals--Indexes.
Harvard subject headings:
Environmental law--Japan--Periodicals--Indexes.
Environmental law--Periodicals--Indexes.
Labor laws and legislation--Japan--Periodicals--Indexes.
Labor laws and legislation--Periodicals--Indexes.
Social legislation--Japan--Periodicals--Indexes.
Social legislation--Periodicals--Indexes.
Princeton subject headings: