Leigh, R.W., Incidence of caries in the different teeth and their respective surfaces. Military D. J., 6: 183, 1923.
2.
Hyatt, T.P., How dental statistics are secured in the Metropolitan Life Insurance Company . J. D. Res., 9: 411, 1929.
3.
Reports of the Committee for the Investigation of Dental Disease; II. The incidence of dental disease in children. Special Report Series No. 97. (London, His Majesty's Stationery Office : 1925.)
4.
Brexus, P.J. , A report on dental caries in 10,145 university students. J. A. D. A., 18:1350,1931.
5.
Pedersen, P.O. , AND Nielsen, H., Regarding the incidence and treatment of dental caries in approximately 1200 Danish school children. Saertryk af tandlaegebladet, Nr.5: 257, 1939.
6.
Knutson, J.W. , Klein, Henry, AND Palmer, C.E., Studies on dental caries. VIII. Relative incidence of caries in the different permanent teeth. J. A. D. A., 25: 1923, 1938.
7.
Klein, Henry , AND Palmer, C.E., Studes on dental caries. X. A procedure for the recording and statistical processing of dental examination findings . J. D. Res., 19: 243, 1940.
8.
Idem, Dental caries in American Indian children. Public Health Bulletin No. 239, ( Washington, U. S. Government Printing Office: 1937).
9.
Palmer, C.E. , Klein, Henry, AND Kramer, M., Studies on dental caries. III. The measurement of posteruptive tooth age. Growth, 2: 149, 1938.
10.
Klein, Henry , Palmer, C.E., AND Kramer, M., Studies on dental caries. II. The use of the normal probability curve for expressing the age distribution of eruption of the permanent teeth. Growth, 1: 385, 1937.
11.
Klein, Henry , AND Palmer, C.E.Studies on dental caries. VII. Sex differences in dental caries experience of elementary school children. Public Health Rep., 53: 1685, 1938.
12.
Idem, Studies on dental caries. XI. Sex differences in the caries susceptibility of the various morphological types of permanent teeth. Child Development, 12:207, 1941.
13.
Dean, H.T., Jay, P., Arnold, F.A., JR., McClure, F.J., AND Elvove, E., Domestic water and dental caries including certain epidemiological aspects of oral L. Acidophilus. Public Health Rep., 54: 862, 1939.
14.
Steggerda, M., AND Hill, T.J., Incidence of dental caries among Maya and Navajo Indians. J. D. Res., 15: 233, 1936.