Farm chemicals.

v.2-3 1895; v.4-5 1896; v.6-7 1897; v.8-9 1898; v.10-11 1899; v.12-13 1900; v.14-15 1901; v.16-17 1902; v.18-19 1903; v.20-21 1904; v.22 no.2-v.23 1905; v.24-25 1906; v.26-27 1907; v.28-29 1908; v.30-31 1909; v.32-33 1910; v.33 (1910); v.34 (1911); v.34 Jan.-June 1911; v.35 July-Dec.1911; v.36 (1912); v.36 Jan.-June 1912; v.37 (1912); v.37 July-Dec.1912; v.38 (1913); v.38 Jan.-June 1913; v.39 (1913); v.39 July-Dec.1913; v.40 Jan.-June 1914; v.41 (1914); v.41 July-Dec.1914; v.42 Jan.-June 1915; v.43 July-Dec.1915; v.44 (1916); v.44 Jan.-June 1916; v.45 (1916); v.45 July-Dec.1916; v.46 (1917); v.46 Jan.-June 1917; v.47 July-Dec.1917; v.48 (1918); v.48 Jan.-June 1918; v.49 July-Dec.1918; v.50 Jan.-June 1919; v.51 July-Dec.1919; v.52 Jan.-June 1920; v.52:no.1-7 (1920); v.52:no.8-13 (1920); v.53 July-Dec.1920; v.53:no.1-7 (1920); v.53:no.8-13 (1920); v.54 Jan.-June 1921; v.54:no.1-7 (1921); v.54:no.8-13 (1921); v.55 July-Dec.1921; v.55:no.1-7 (1921); v.55:no.8-14 (1921); v.56 Jan.-June 1922; v.56:no.1-6 (1922); v.56:no.7-13 (1922); v.57 (1922); v.57 July-Dec.1922; v.58 Jan.-June 1923; v.59 July-Dec.1923; v.60 Jan.-June 1924; v.61 July-Dec.1924; v.62 Jan.-June 1925; v.63 July-Dec.1925; v.64-65 1926; v.66-67 1927; v.68-69 1928; v.70-71 1929; v.72-73 1930; v.74-75 1931; v.76-77 1932; v.78-79 1933; v.80-81 1934; v.82-83 1935; v.84-85 1936; v.86-87 1937; v.88-89 1938; v.90-91 1939; v.92-93 1940; v.94-95 1941; v.96-97 1942; v.98-99 1943; v.100-101 1944; v.102-103 1945; v.104-105 1946; v.106-107 1947; v.108-109 1948; v.110-111 1949; v.112-113 1950; v.114 1951; v.115 1952; v.116 1953; v.117 1954; v.118 1955; v.119 1956; v.120 1957; v.121 1958; v.122 1959; v.123 1960; v.124 1961; v.125 1962; v.126 1963; v.127 1964; v.128 1965; v.129 Jan.-June 1966; v.129 July-Dec.1966; v.130 Jan.-June 1967; v.130 July-Dec.1967; v.131 Jan.-June 1968; v.131 July-Dec.1968; v.132 Jan.-June 1969; v.132 July-Dec.1969; v.133 1970; v.134 1971; v.135 1972; v.136 1973; v.137 Jan.-June 1974; v.137 July-Dec.1974; v.138 Jan.-June 1975; v.138 July-Dec.1975;