TY  - BOOK
AU  - Ferrell,John A.
TI  - The rural school and hookworm disease
T2  - Bulletin / U.S. Bureau of Education
AV  - L111 .A6 1914, no. 20
PY  - 1914///
CY  - Washington
PB  - G.P.O.
KW  - Hookworm disease
KW  - Rural schools
N1  - 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
ER  -