United States. Bureau of Labor Statistics. "Wage Chronology: Pacific Longshore Industry, 1934-65 : Bulletin of the United States Bureau of Labor Statistics, No. 1491," Wage Chronology: Pacific Maritime Association and the International Longshoremen's and Warehousemen's Union (1966). https://fraser.stlouisfed.org/title/4901/item/498161, accessed on January 9, 2025.