Bestand
55.1968,7-10; 56.1969,1-2,4,6,7-10; 57.1970,1-3,5-9; 58.1971; 59.1972,1-10; 60.1973,1-10; 61.1974 - 63.1976; 64.1977,1-4,6-10; 65.1978; 66.1979,1-7,9,10; 67.1980; 68.1981,1-8,10; 69.1982 - 71.1984; 72.1985,1-8; 73.1986 - 75.1988; 76.1989,1-4,6-10; 77.1990,1-6,8-10; 78.1991,1-5,7-8; 79.1992,1-3,5-10; 80.1993,2-10; 81.1994,1-8,10
[Ungebunden]