United States. Bureau of Labor Statistics. "Wage Chronology: Sinclair Oil Companies, 1941-64 : Bulletin of the United States Bureau of Labor Statistics, No. 1447,"
Wage Chronology: Atlantic Richfield and the Oil Workers (Former Sinclair Oil Facilities)
(1965).
https://fraser.stlouisfed.org/title/4647/item/498046, accessed on July 10, 2025.