Ohio. Division of Labor Statistics

• Fluctuation of employment in automobile manufacturing and related industries in Ohio, 1923 to 1928
• Fluctuation of employment in mining and quarrying in Ohio, 1914 to 1929
• Fluctuation of employment in Ohio 1924 to 1928
• Fluctuation of employment in Ohio manufacturing industries
• List, by counties, of Ohio coal operators reporting to this division showing method of coal production and total tonnage for the year ending December 31, 1941
• Report and compilations of matter pertaining to the free public employment bureaus in ... Cincinnati, Cleveland, Columbus, Toledo and Dayton, 1890-96
• Two billion tons of coal
• Union scale of wages and hours of labor in Ohio ...