National Association of Motor Bus Operators. Annual Conference: Chicago (September 17, 1952). "The Application of Physiological and Medical Procedures in the Selection and Training of Drivers, September 17, 1952

National Association of Motor Bus Operators. Annual Conference: Chicago (September 17, 1952). "The Application of Physiological and Medical Procedures in the Selection and Training of Drivers, September 17, 1952, Box: 162, Folder: 12. Ross A. McFarland Papers, FSC-1. Special Collections. https://wright.libraryhost.com/repositories/2/archival_objects/53699 Accessed November 23, 2024.