1. National Clearinghouse for Poison Control Center Bulletin. September-October, 1975; 1
2. Mortality from pesticides in the United States in 1973 and 1974
3. Maddy K. T. Illness of employed persons reported by physicians to the state as due to exposure to pesticides or their residues in California—according to job and type of illness—summary of reports received between January 1 and December 31, 1975. State of California Department of Food and Agriculture and Department of Health. 1976, Report 59–136