Berichte über Landwirtschaft

no.4-6; no.8-11; no.12-14; no.15-18; no.19-23; no.24-25; no.26-28; no.29-30; no.31; no.33-35; no.36-37; no.38-41; ser. 2 v.1 1923-24; ser. 2 v.2 1924-25; ser. 2 v.3 1925-26; ser. 2 v.4 1926; ser. 2 v.5 1926-27; ser. 2 v.6 1927; ser. 2 v.7 1928; ser. 2 v.8 1928; ser. 2 v.9 1928-29; ser. 2 v.10 1929; ser. 2 v.11 1930; ser. 2 v.12 1930; ser. 2 v.13 1930; ser. 2 v.14 1930-31; ser. 2 v.15 1931; ser. 2 v.16 1932; ser. 2 v.17 1932-33; ser. 2 v.18 1933; ser. 2 v.19 1934-35; ser. 2 v.20 1935-36; ser. 2 v.21 1936-37; ser. 2 v.22 1937-38; ser. 2 v.23 1938; ser. 2 v.24 1939; ser. 2 v.25-26 1939-41; ser. 2 v.30 1952; ser. 2 v.31 1953; ser. 2 v.32 1954; ser. 2 v.33 1955; ser. 2 v.34 1956; ser. 2 v.35 1957; ser. 2 v.36 1958; ser. 2 v.37:1-2 1959; ser. 2 v.37:3-4 1959; ser. 2 v.38 1960; ser. 2 v.39 1961; ser. 2 v.40 1962; ser. 2 v.41 1963; ser. 2 v.42 1964; ser. 2 v.43 1965; ser.2 v.44 1966; ser.2 v.45 1967; ser.2 v.47 1969; ser.2 v.48 1970; ser.2 v.49 1971; ser.2 v.51 1-973; ser.2 v.52; ser.2 v.53; ser.2 v.54; ser.2 v.56 1978; ser.2 v.57 1979; ser.2 v.58 1980; ser.2 v.59 1981; ser.2 v.60 1982; ser.2 v.61 1983; ser.2 v.62 1984; ser.2 v.63 1985; ser.2 v.64 (1986); ser.2 v.65 (1987); ser.2 v.66 (1988); ser.2 v.67 (1989); ser.2 v.68:1-2 (Mar-June 1990); ser.2 v.68:3-4 (Sept-Dec 1990)