International Association of Governmental Labor Officials
, National Association of Mutual Casualty Companies
and American Standards Association.
Safety Code for Laundry Machinery and Operations : Bulletin of the United States Bureau of Labor Statistics, No. 375 ,
Washington, D.C:
G.P.O.,
October 1924, https://fraser.stlouisfed.org/title/4006,
accessed on November 13, 2024.