United States. Bureau of Labor Statistics.
Wage Chronology: North Atlantic Longshoremen, 1934-71 : Bulletin of the United States Bureau of Labor Statistics, No. 1736 ,
Washington, D.C:
For sale by the Supt. of Docs., U.S. Govt. Print. Off.,
1972, https://fraser.stlouisfed.org/title/4897,
accessed on February 13, 2026.