United States. Bureau of Labor Statistics.
Injuries and Accident Causes in the Manufacture of Paperboard Containers: A Detailed Analysis of Hazards and of Injury Rates for 1950 by Region, Plant Size, and Operating Departments : Bulletin of the United States Bureau of Labor Statistics, No. 1139 ,
Washington:
U.S. Govt. Print. Off.,
1953, https://fraser.stlouisfed.org/title/4460,
accessed on April 22, 2025.