Changing times.

v.4 1950; v.5 1951; v.7 1953; v.8 1954; v.9 1955; v.10 1956; v.11 1957; v.12 1958; v.13 1959; v.14 1960; v.15 1961; v.16 1962; v.17 1963; v.18 1964; v.19 pt.1 1965; v.19 pt.2 1965; v.20 pt.1 1966; v.20 pt.2 1966; v.21 1967; v.22 1968; v.23:1-6 1969; v.23:7-12 1969; v.24:1-6 1970; v.24:7-12 1970; v.25:1-6 1971; v.25:7-12 1971; v.26:1-6 1972; v.26:7-12 1972; v.27:1-6 1973; v.27:7-12 1973; v.28:1-6 1974; v.28:7-12 1974; v.29:1-6 1975; v.29:7-12 1975; v.30:1-6 1976; v.30:7-12 1976; v.31:1-6 1977; v.31:7-12 1977; v.32:1-6 1978; v.32:7-12 1978; v.33:1-6 1979; v.33:7-12 1979; v.34:1-6 1980; v.34:7-12 1980; v.35:1-6 1981; v.35:7-12 1981; v.36 1982; v.37:1-6 1983; v.37:8 1983; v.37:7 1983; v.37:10 1983; v.37:9 1983; v.38:1-6 1984; v.38:7-12 1984; v.39:1-6 1985; v.39:7-12 1985; v.40:1-6 1986; v.40:7-12 1986; v.41:1-6 1987; v.41:7-12 1987; v.42:1-6 1988; v.42:7-12 1988; v.43:1-6 1989; v.43:7-12 1989; v.44:1-6 1990; v.45:1-6 1991