Sanitation and physiology
Subtitle: being primer of sanitation and human physiology in one volume
By: by John W. Ritchie ... illustrated by Karl Hassmann and Mary H. Wellman.
Series: New-world science series
Publisher: N.Y., World book company
Published: 1920
Place of publication: Yonkers-on-Hudson
Language: eng
Subjects: Physiology; Hygiene -- Juvenile literature
Genres: Juvenile literature.
Notes: Each part also issued separately.