Electricity on the farm.

v.1 1927-28; v.2 1929; v.3 1930; v.4 1931; v.5 1932; v.6-7; v.6-7 1933-34; v.8-9 1935-36; v.10-11 1937-38; v.12-13 1939-40; v.14-15 1941-42; v.16 1943; v.16-17 1943-44; v.17; v.18-19 1945-46; v.20 1947; v.20-21 1947-48; v.21 1948; v.22-24 (incomplete); v.22 1949; v.22-23 1949-50; v.24-25 1951-52; v.25 1952; v.26-27 1953-54; v.27:1-10; v.28 1955; v.28-29 1955-56; v.29 1956; v.30 1957; v.30-31 1957-58; v.31-32 1958-59; v.32-33 1959-60; v.33-34 1960-61; v.34-35 1961-62; v.35-36 1962-63; v.36-37 1963-64; v.37-38 1964-65; v.38 1965; v.39 1966; v.39-40 1966-67; v.40 1967; v.41 1968; v.41-42 1968-69; v.42 1969; v.43 1970; v.43-44 1970-71; v.44-45 1971-72; v.46 1973; v.45-47 1972-74 Inc.; v.47