00854cam a22002291 4500 e 27000133 DLC 20260227111217.0 951113s1927 dcuaf f000 0 eng c e 27000133 (OCoLC)33471302 Library, U.S. Bur. of Education WaU WaU OCoLC DLC premarc L111 .A67 no. 20 LB3455 .R6 Rogers, James Frederick, 1870-1965. Better teeth, by James Frederick Rogers, M.D. chief Division of physical education and school hygiene ... Department of the interior. Bureau of education, 1927. [Washington] U.S. Govt. print. off., 1927. iii, 19 p. illus., pl. 23 cm. United States. Bureau of Education. Health Education, no. 20 Teeth Care and hygiene. 20867 20867