Primer of hygiene
Subtitle: being a simple textbook on personal health and how to keep it
By: by John W. Ritchie ... and Joseph S. Caldwell ...
Contributors: Caldwell, Joseph S. (Joseph Stuart), author
Edition: 1920 revision.
Series: New-world health series -- book I; New-world health series -- book I.
Publisher: World Book Co.
Published: 1921
Place of publication: Yonkers-on-Hudson, N.Y
Language: eng
Number of pages: 184
Subjects: Physiology; Hygiene; Juvenile literature
Notes: "References": p. iv.