Physical standards for working children : preliminary report of the committee appointed by the Children's Bureau of the U.S. Department of Labor to formulate standards of normal development and sound health for the use of physicians in examining children
Cover title At head of title: U.S. Department of Labor. James J. Davis, Secretary. Children's Bureau. Grace Abbott, Chief "Appendix revised to include legislation up to August 15, 1926." Includes bibliographical references
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