The training of dental hygienists,
Rogers, James Frederick, 1870-1965.
The training of dental hygienists, by James Frederick Rogers. - Washington, Government Printing Office, 1925. - 4 p. 23 cm.
Caption title. At head of title: ... Department of the Interior. Bureau of Education. Washington, D.C.
e 25000391
Teeth--Care and hygiene.
LB3405 RK91.R6 / .U5 no. 9
The training of dental hygienists, by James Frederick Rogers. - Washington, Government Printing Office, 1925. - 4 p. 23 cm.
Caption title. At head of title: ... Department of the Interior. Bureau of Education. Washington, D.C.
e 25000391
Teeth--Care and hygiene.
LB3405 RK91.R6 / .U5 no. 9