Year Volume Number
1963 68 (1-24)
1964 69 (1-24)
1965 70 (1-24)
1966 71 (1-24)
1967 72 (1-24)
1968 73 (1,
2, 4-24, index)
1969 74 (2,
4, 6, 8, 10, 12, 13, 15, 17, 18, 20, 22, 23, 25, 27, 28, index)
1970 75 (2,
5, 8, 11, 14, 17, 20, 23, 26, 29, 32, 35, index)
1971 76 (2,
5, 8, 11, 14, 17, 20, 23, 26, 29, 32, 35, index)
1972 77 (2,
5, 8, 11, 14, 17, 20, 23, 26, 29, 32, 35, index)
1973 78 (2,
5, 8, 11, 14, 17, 20, 23, 26, 29, 32, 35, index)
1974 79 (2,
5, 8, 11, 14, 17, 20, 23, 26, 29, 32, 35, index)
1975 80 (2,
5, 8, 11, 14, 17, 20, 23, 26, 29, 32, 35)
1976 81 (2,
5, 8, 11, 14, 17, 20, 23, 26, 29, 32, 35)
1977 82 (2,
5, 8, 11, 14, 17, 20, 23, 26, 28, 30, 33, 36)
1978 83 (B1-12)
1979 84 (B1-14)
1980 85 (B1-12,
A13)
1981
1982 87 (B7)
1983
1984
1985
1986
1987
1988
1989
1990