Protecting Plant Manpower - Practical Points on Industrial Sanitation and Hygiene / Department of Labor, 1941

Protecting Plant Manpower - Practical Points on Industrial Sanitation and Hygiene / Department of Labor, 1941, PMRH 10/18, Box: PMRH 10, Folder: 18. Reynold Hillenbrand Papers, MRH. University of Notre Dame Archives. https://archivesspace.library.nd.edu/repositories/2/archival_objects/369808 Accessed October 11, 2026.