1. , , (1979): Dangers in the air when handling livestock. Agricultural Extension Service, University of Minnesota, Extension Folder 500.
2. , (1978): Minnesota Farm Accident Survey. Agricultural Extension Service, University of Minnesota, St. Paul, MN.
3. , , (1984): “The Injury Fact Book.” Lexington, MA: Lexington Books.
4. Fatal Occupational Injuries
5. Grain Auger Injuries