The states and child labor.
Subtitle: Lists of states with certain restrictions as to ages and hours
By: ...  Prepared in collaboration with the Child conservation section of the Field division, Council of national defense.
Contributors: United States. Council of National Defense. Field Division. Child Conservation Section.
Series: Children's year leaflet -- no. 13; Bureau publication -- no. 58.; Bureau publication (United States. Children's Bureau) -- no. 58.
Publisher: Govt. print. off.
Published: 1919
Place of publication: Washington
Language: eng
Number of pages: 46
Subjects: Child labor -- United States
Notes: At head of title: U. S. Department of labor.  Children's bureau.  Julia C. Lathrop, chief.  April 6, 1918.  Children's year.  April 6, 1919.