United States. Bureau of Labor Statistics and United States. Office of Occupational Safety and Health Statistics. Injuries Resulting From Falls From Elevations : Bulletin of the United States Bureau of Labor Statistics, No. 2195. Washington, D.C: U.S. Dept. of Labor, Bureau of Labor Statistics, June 1984, https://fraser.stlouisfed.org/title/5234, accessed on September 11, 2024.