Reduction of hours of work in coal mines
Subtitle: (Supplementary report)...
Contributors: International Labour Conference (20th : 1936 : Geneva)
Publisher: International Labour Office
Published: 1936
Place of publication: Geneva
Language: eng
Subjects: Hours of labor; Coal mines and mining
Notes: At head of title: Report VI (Supplement) International Labour Conference. Twentieth session, Geneva, 1936.