National Safety Council. National Safety Congress and Exhibition: Chicago (October 23-26, 1967). "Applications of Human Factors Engineering to Safety Engineering Problems", October 23-26, 1967

National Safety Council. National Safety Congress and Exhibition: Chicago (October 23-26, 1967). "Applications of Human Factors Engineering to Safety Engineering Problems", October 23-26, 1967, Box: 163, Folder: 11. Ross A. McFarland Papers, FSC-1. Special Collections. https://wright.libraryhost.com/repositories/2/archival_objects/53719 Accessed November 27, 2024.