Landwirtschaftliches Zentralblatt.

v.1 1956; v.2 1957; v.4 1959 Jan-Aug; v.4 1959 Sep-Dec; v.5 1960 Jan-Aug; v.5 1960 Sep-Dec; 1961 System; v.6 1961 Jan-Aug; v.6 1961 Sep-Dec; 1962 System; v.7 no.1-8 1962; v.7 no.9-12 1962; v.8 no.1-6 1963; v.8 no.7-12 1963; v.9 no.1-8 1964; v.9 no.9-12 1964; v.10 1965 System; v.10 no.7-12 1965; v.11 no.1-8 1966; v.11 no.9-12 1966; v.12 no.1-6 1967; v.12 no.7-12 1967; v.13 no.1-6 1968; v.13 no.7-12 1968; v.14 no.1-6 1969; v.14 no.7-12 1969; v.15 no.7-12 1970; v.16 no.1-4 1971; v.16 no.5-8 1971; v.16 no.9-12 1971; v.17 no.1-4 1972; v.17 no.5-8 1972; v.17 no.9-12 1972; v.18 no.1 1973; v.18 no.2-4 1973; v.18 no.5-8 1973; v.18 no.9-12 1973; v.19 no.1-4 1974; v.19 no.5-8 1974; v.19 no.9-12 1974; v.20 no.1-4 1975; v.20 no.5-8 1975; v.20 no.9-12 1975; v.21 1976; v.3 1958 Subject Index; v.5 1960 Index; index; v.8 1963 Index; v.10 1965 Index; 1966 Index; 1968 Index; 1973 Index; v.14 1969 Index; 1970 Subject Index; 1971 Index; 1972 Index; Subject index 1971; 1974 Index