http://pec.lib.wvu.edu/record/P117341913Bulletin.<p> Serial. Printed Ephemera Collection has: no.4 (1913:Nov.)</p>United States Steel Corporation. Bureau of Safety, Relief, Sanitation, and Welfare.Industrial safety--United States--Periodicals.Steel industry and trade--United States--Safety measures--Periodicals.Machinery--Safety appliances--Periodicals.Accidents--Prevention--Periodicals.14256