Report on the statistics of labor.

v.2 1870-1871; v.3 1871-1872; v.4 1872-1873; v.5 1873-1874; v.7 1875-1876; 1876; v.8 1876-1877; v.9 1877-1878; v.10 1878-1879; v.13 1881-1882; v.14 1882-1883; v.16 1884-1885; 1885; v.18 1886-1887; 1887; v.19 1887-1888; 1888-1889; v.21 1889-1890; v.22 1890-1891; 1891; v.23 1891-1892; v.24 1892-1893; v.25 1893-1894; 1894; v.26 1894-1895; 1895; v.27 1895-1896; v.28 1896-1897; v.29 1897-1898; 1898; v.30 1898-1899; 1899; v.31 1899-1900; v.32 1900-1901; 1901; v.33 1901-1902; 1902; v.34 1902-1903; v.35 1903-1904; v.36 1904-1905; v.37 1905-1906; v.38 1906-1907; v.39 1907-1908; 1908; v.40 1908-1909; v.41 1909-1910; 1913; 1916-1918; 1919 1919; 1919; 1920-1921 1920-1921; 1923-1924 pt.1 1923-1924; 1926-1927 pt.2 1926-1927; 1927-1928 pt.1 1927-1928; 1928-1929 pt.1 1928-1929; 1929-1930 pt.1 1929-1930; 1930-1931 pt.1 1930-1931; v.65:3 (1934)