Annual report on the statistics of labor.

Vols. for 1869/70-1871/72 issued as documents of the Senate of the General Court of Massachusetts, no. 120, 150, 180; 1872/73 as document of the House of Representatives of the General Court of Massachusetts, no. 173; 1873/74-1878/79 as Massachusetts Public document no. 31; 1879/80- as Public document.Reports for 1869/70-1922/23 are called [1st]-54th report.Each report is in several numbered parts, many of which are published separately.Report year irregular.Mode of access: Internet.Issued by the Bureau of Statistics of Labor, 1869/1870-1907; by the Bureau of Statistics, 1908-19.Reports for 1913- are published also as Labor bulletins, no. 9