The rural school and hookworm disease /
Ferrell, John A. 1880-
The rural school and hookworm disease / by Jno. A. Ferrell. - Washington : G.P.O., 1914. - 43 p., 8 leaves of plates : ill., map, ports. ; 23 cm. - Bulletin / U.S. Bureau of Education ; 1914, no. 20. Whole no. 593 .
Copies 1 and 2 with: University extension in the United States / Louis E. Reber. Washington : Govt. Print. Off., 1914. Bound together subsequent to publication.
Includes bibliographical references.
e 14001980
Hookworm disease.
Rural schools.
L111 / .A6 1914, no. 20
The rural school and hookworm disease / by Jno. A. Ferrell. - Washington : G.P.O., 1914. - 43 p., 8 leaves of plates : ill., map, ports. ; 23 cm. - Bulletin / U.S. Bureau of Education ; 1914, no. 20. Whole no. 593 .
Copies 1 and 2 with: University extension in the United States / Louis E. Reber. Washington : Govt. Print. Off., 1914. Bound together subsequent to publication.
Includes bibliographical references.
e 14001980
Hookworm disease.
Rural schools.
L111 / .A6 1914, no. 20