National Safety Council
, Sandel, John Murdoch
, American Engineering Standards Committee
and United States. Bureau of Labor Statistics.
Safety Code for Paper and Pulp Mills : Bulletin of the United States Bureau of Labor Statistics, No. 410 ,
Washington, D.C:
G.P.O.,
April 1926, https://fraser.stlouisfed.org/title/4032,
accessed on September 12, 2024.