Child labor in the tiff mines
By: by Charles E. Gibbons ... assisted by Barbara Stokes
Series: [National Child Labor Committee. Publication no. 373]
Publisher: National Child Labor Committee
Published: 1938
Place of publication: New York
Language: eng
Number of pages: 31
Subjects: Child labor; Miners; Barite
Other titles: Tiff mines, Child labor in the; Tiff mines, Child labor in the.