1. Health of ferrous foundrymen in Illinois. U. S. Public Health Service Publication No. 31. Industrial Hygiene Division, U. S. Public Health Service and Industrial Hygiene Division, Illinois Department of Public Health. Washington, D. C., Government Printing Office, 1950. p. 112.
2. Dental status of adult male mine and smelter workers;Brinton;Pub. Health Rep.,1942
3. A study by age and sex of the incidence of dental caries in over 12,000 persons;Hollander;J. D. Res.,1939
4. Survey of needs for dental care. II. Dental needs according to age and sex of patients;Moen;J.A.D.A.,1953
5. Studies on dental care services for school children; first and second treatment series, Richmond;Waterman;Ind. Pub. Health Rep.,1953