Diehl, H.S. AND Shepard, C.E., The Health of College Students (Washington, D. C., American Council on Education: 1939).
2.
Klein, H. AND Palmer, C.E., Studies on Dental Caries, U. S. Pub. Health Rep., 55: 1258, 1940.
3.
Bodecker, C.F. , Results of Dental Caries Index, D. Survey, 1936.
4.
Franzen, R., Public Health Aspects of Dental Decay in Children, School Health Research Monograph No. 3 (New York, American Child Health Association: 1930).
5.
Angle, E.H., Treatment of Malocclusion of the Teeth (Philadelphia, S. S. White: 1907).
6.
Burket, L., The Accuracy of Clinical and Roentgenologic Diagnosis of Dental Caries as Determined by Microscopic Studies, J. D. Res., 20: 71, 1941.
7.
Sognnaes, R., The Importance of Detailed Examination of Carious Lesions, J. D. Res., 19: 11, 1940.
8.
Cheyne, V.D. AND Drain, C.L., Dental Caries and Permanent Tooth Extraction, J. D. Res., 19: 571, 1940.
9.
Dean, H.T., Jay, P., AND Elvove, E., Domestic Water and Dental Caries, U. S. Pub. Health Rep., 56: 761, 1941.
10.
Hollander, F., AND Dunning, J.M., Study by Age, Sex and Incidence of Dental Caries in Over 12,000 Persons, J. D. Res., 18: 43, 1939.
11.
Blumenthal, F.R. AND Perkins, H.W., personal communication.