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Canal-boat children,

By United States..
Washington, Govt. print. off., 1923 .
22 p. plates. , At head of title: U. S. Department of labor. James J. Davis, secretary. Children's bureau. Grace Abbott, chief. | Plates printed on both sides. | "Reprinted from the Monthly labor review, February, 1923." 23 cm..

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Child labor in North Dakota.

By United States..
Washington, Govt. Print Off., 1923 .
v, 67 p. , At head of title: U.S. Department of Labor. James J. Davis, secretary. Children's Bureau. Grace Abbott, chief. | "The information obtained as to rural child labor was analyzed by Ethel M. Springer and that relating to the work of city children by Harriet A. Byrne and Helen M. Dart." - Letter of transmittal, p.v. 23 cm..

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Child labor and the work of mothers on Norfolk truck farms ...

By United States..
Washington, Govt. Print. Off., 1924 .
iv, 27 p. , 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 general supervision of Ellen Nathalie Matthews ... Ethel M. Springer was responsible for the immediate direction of the field work."--Letter of transmittal. 23 cm..

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