Diehl, Harold S.
Healthful living / Harold S. Diehl. - New york : Whittlesey, c 1949. - 484 p. ; 24 cm.
Includes index.
11 11
Hygiene
Promotion of health
613 / D563h
Healthful living / Harold S. Diehl. - New york : Whittlesey, c 1949. - 484 p. ; 24 cm.
Includes index.
11 11
Hygiene
Promotion of health
613 / D563h