"Labor laws of Michigan" and "Compulsory education": 1st report, p. 478-514.
Reports for 1910 and 1911 are numbered First[-Second] annual report of the Department of labor, those for 1912-19 Twenty-ninth- respectively, continuing the numbering of the series of annual reports of the Bureau of labor and industrial statistics.
Mode of access: Internet.
1909/10- include Annual report of the inspection of coal mines 1909-19
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