TY  - BOOK
AU  - Matthews,Ellen Nathalie
AU  - Light,Gertrude Underhill
ED  - United States.
TI  - Child labor and the work of mothers in the beet fields of Colorado and Michigan ..
T2  - Bureau publication
AV  - HD6250.U4 C62 1923
PY  - 1923///
CY  - Washington
PB  - Govt. print. off.
N1  - At head of title: U. S. Department of labor.  James J. Davis, secretary.  Children's bureau.  Grace Abbott, chief; "The investigation was planned and carried on under the direction of Ellen Nathalie Matthews ... Dr. Gertrude A. [sic] Light made physical examinations of children in the Colorado beet-field region and analyzed the findings with reference to health." - Letter of transmittal, p. v
ER  -