1. “Air embolism as a cause of scuba deaths”;SMITH;National Safety Congress Transactions,1965
2. CHAPPELL, G. L.: “Study groups on accidents and aging,” U.S. Public Health Service, Maritime Base, Bay boro Harbor, St. Petersburg, Florida, 1963. (Presented at the National Safety Congress).
3. Los Angeles Fire Department: “Report of scuba deaths,” 1953–1960.
4. Occupational Health (Newsletter of Environmental Research Laboratory of University of Washington), 12:4, 1963.