Columbia subject headings:
Labor--United States--Periodicals.
Manpower policy--United States--Periodicals.
United States. Dept. of Labor--Accounting--Periodicals.
United States. Dept. of Labor--Periodicals.
Harvard subject headings:
Labor--United States--Periodicals
Manpower policy--United States--Periodicals
United States. Department of Labor--Accounting--Periodicals.
United States. Department of Labor--Periodicals.
Princeton subject headings:
Labor--United States--Periodicals.
Manpower policy--United States--Periodicals.
Periodicals.
United States. Department of Labor--Accounting--Periodicals.
United States. Department of Labor--Periodicals.