Hours of work in coal mines
Subtitle: Item II on the agenda.
Contributors: International Labor Conference (15th : 1931 : Geneva)
Published: 1931
Place of publication: Geneva
Language: eng
Number of pages: 205
Subjects: Coal mines and mining.; Hours of labor.; Coal miners.; Lignite.
Notes: At head of title: Report 2. International Labour Conference. 15th sess., Geneva, 1931.