United States. Bureau of Labor Statistics. Compensation for Accidents to Employees of the United States: Report of Operations Under the Act of May 30, 1908 : Bulletin of the United States Bureau of Labor Statistics, No. 155 , Washington, D.C: Government Printing Office, September 17, 1914, https://fraser.stlouisfed.org/title/3816, accessed on January 6, 2026.