Hours of work in coal mines
Subtitle: Forth item on the agenda.
Contributors: International Labour Organisation. Coal Mines Committee.
Published: 1949
Place of publication: Geneva
Language: eng
Number of pages: 58
Subjects: Coal mines and mining.; Coal miners.; Hours of labor.
Notes: At head of title: Report 4. International Labour Organisation. Coal Mines Committee, 3d sess., Pittsburg, Apr. 1949.