United States. Bureau of Labor Statistics.
Rest Periods, Washup, Work Clothing, and Military Leave Provisions in Major Union Contracts : Bulletin of the United States Bureau of Labor Statistics, No. 1279 ,
Washington, D.C:
G.P.O.,
April 1961, https://fraser.stlouisfed.org/title/4554,
accessed on April 13, 2025.
@FedFRASER