United States. Bureau of Labor Statistics.
Compensation Expenditures and Payroll Hours: Pipelines, 1964 : Bulletin of the United States Bureau of Labor Statistics, No. 1528 ,
Washington, D.C:
For sale by the Supt. of Docs., U.S. Govt. Print. Off.,
April 1967, https://fraser.stlouisfed.org/title/4680,
accessed on September 11, 2024.