United States. Bureau of Labor Statistics. "Union Wages and Hours of Motortruck Drivers and Helpers, July 1, 1946 : Bulletin of the United States Bureau of Labor Statistics, No. 911,"
Union Wages and Hours : Local Truckdrivers and Helpers
(1948).
https://fraser.stlouisfed.org/title/3960/item/494917, accessed on December 22, 2024.