Keeping the laws
Subtitle: a first book on physiology
By: by John W. Ritchie, illustrated by Karl Hassmann, Earl Horter, Harry Freeman, Hermann Heyer and Will H. Schanck.
Series: New world health series,
Publisher: World book company
Published: 1917
Place of publication: Yonkers-on-Hudson, N.Y
Language: eng
Number of pages: 400
Subjects: Physiology.
Notes: Forms pt. II of the author's Life and health, published 1917.