Charles P. Emerson and George Herbert Betts. Rev.
EMERSON, CHARLES PHILLIPS. Hygiene and health (Hygiene and health series, book 1)
EMERSON, CHARLES PHILLIPS. Hygiene and health, by Charles P. Emerson and George Herbert Betts. Rev. (Hygiene and health series, book 1) © 17Aug23, A752636. R73033, 17Jan51, Harlan Betts (C of George Herbert Betts) & Mrs. Walter Compton (C of Charles P. Emerson)
Harlan Betts|C of George Herbert Betts||Mrs. Walter Compton|C of Charles P. Emerson