Administration of Child Labor Laws Pt. 5

Parts 1-4 issued also as Industrial series, no. 2 (U.S. Children's bureau) pt. 1. Employment certificate system, Connecticut.--pt. 2. Employment certificate system, New York.--pt. 3. Employment certificate system, Maryland.--pt. 4. Employment certificate system, Wisconsin.--pt. 5. Standards applicableto the administration of employment-certificate systems $aPt. 1 is no. 12 bound in 5573.149; Pt. 2 is no. 17 bound in 5573.149; Pt. 3 is no.41 bound in 5573.149; and Pt. 4 is no.85 in 5573.149; and