Administration of child labor laws
Subtitle: Part 5: standards applicable to the administration of employment certificate systems
By: by Helen Sumner Woodbury
Series: Bureau publication -- no. 133; Bureau publication (United States. Children's Bureau) -- no. 133
Publisher: U.S. Govt. Print. Off.
Published: 1924
Place of publication: Washington, D.C
Language: eng
Number of pages: 225
Subjects: Child labor