United States. Bureau of Labor Statistics. "Directory of Labor Unions in the United States, 1953 : February 1954 Supplement : Bulletin of the United States Bureau of Labor Statistics, No. 1127,"
Directory of National Unions and Employee Associations
(1953).
https://fraser.stlouisfed.org/title/4410/item/495036/content/pdf/bls_1127_1954_supp, accessed on March 8, 2026.