Diehl, Harold S.
Healthful living / Harold S. Diehl. - 3rd rev. ed. - New york : Whittlesey, c 1949. - xi, 595 p. : ill. ; 23 cm.
Includes index.
331 331
Hygiene.
Promotion of health
613 / D563h
Healthful living / Harold S. Diehl. - 3rd rev. ed. - New york : Whittlesey, c 1949. - xi, 595 p. : ill. ; 23 cm.
Includes index.
331 331
Hygiene.
Promotion of health
613 / D563h