Columbia subject headings:
Arbitration, Industrial--United States--Periodicals.
United States. National Labor Relations Board--Periodicals.
Working class--United States--Periodicals.
Harvard subject headings:
Arbitration, Industrial--United States--Periodicals
Labor--United States--Periodicals
United States. National Labor Relations Board--Periodicals.
Working class--United States--Periodicals
Princeton subject headings:
Arbitration, Industrial--United States--Periodicals.
Labor--United States--Periodicals.
Periodicals.
United States. National Labor Relations Board--Periodicals.