1. Dental Status and Dental Needs of Elementary School Children;Klein;Pub. Health Rep.,1938
2. Familial Resemblance in the Caries Experience of Siblings;Klein;Pub. Health Rep.,1938
3. Study on Dental Caries. VIII. Relative Incidence of Caries in the Different Permanent Teeth;Knutson;J. Am. Dent. A.,1938
4. Extent of Dental Caries and Condition of Teeth of San Francisco High School Children;Sloman;J. Calif. D. A.,1940
5. The Dental Problem of Elementary School Children;Klein;From Child Hygiene Investigations, Division of Public Health Measures, United States Public Health Service, Millbank Memorial Fund Quarterly,1938