- Labor laws and legislation--Periodicals (3)
- Labor laws and legislation--United States--Periodicals (2)
- Labor laws and legislation--France (1)
- Labor supply--United States--Statistics--Periodicals (1)
- Labor--Periodicals (1)
- Labor--United States--Periodicals (1)
- Law--France--Periodicals (1)
- Working class--Periodicals (1)
- Working class--United States--Periodicals (1)