United States. Women's Bureau and Correll, Marie, 1902-. State Requirements for Industrial Lighting: A Handbook for the Protection of Women Workers, Showing Lighting Standards and Practices : Women's Bureau Bulletin, No. 94 , Washington, DC: U.S. Government Printing Office, 1932, https://fraser.stlouisfed.org/title/6594, accessed on March 8, 2025.