The rural school and hookworm disease
By: by Jno. A. Ferrell.
Series: Bulletin / U.S. Bureau of Education ;; 1914, no. 20. Whole no. 593
Publisher: G.P.O.
Published: 1914
Place of publication: Washington
Language: eng
Number of pages: 43
Subjects: Hookworm disease.; Rural schools.
Notes: Includes bibliographical references.