The Peoria District Dental Society Bulletin for Jan. 1940.
Vol. 3 No. 4

Officers: Pres. E.E. Hoag, Vice-Pres. W.L. Bayne, Sec’y W.M. Peters, Treas. S.S. Ferdinand and Librarian W.A. Johnson.

Contains: Lactobacillus Acidophilus and Dental Caries.

Dimension 5×7