01327cam a22003131 4500 l 24000003 DLC 20260227111529.0 820626s1923 xx af 000 0 eng l 24000003 (OCoLC)14811435 DLC DNLM DLC premarc HV741 .A32 no. 126 W1 UN6181 no.126 1923 United States. Children's Bureau. Minors in automobile and metal-manufacturing industries in Michigan ... Washington, Govt. print. off., 1923. vii, 131 p. ill., plates. Bureau publication no. 126 At head of title: U. S. Department of labor. James J. Davis, secretary. Children's bureau. Grace Abbott, chief. Plates printed on both sides. "... The field work in connection with this study was supervised by Helen M. Dart, who, together with Ella Arvilla Merritt, has written the report. The occupational descriptons were prepared by E. J. Allett." - Letter of transmittal. "A brief bibliography": p. 123-131. Dart, Helen Maretta, 1889- Merritt, Ella Arvilla, 1882- Allett, E. J. United States. Children's Bureau. Publication ; no. 126. 35722 35722