Bestand
[1.]1956,1; 3.1958,7-10; 4.1959; 5.1960,1-5,8-12; 6.1961,3-12; 7.1962,2-6; 8.1963 - 10.1965; 11.1966,1-3,5,6; 12.1967; 13.1968,1,2,4-6; 14.1969,1-3,5,6; 15.1970; 16.1971,1,3-6; 17.1972,1,2,4-6; 17.1973 - 22.1977; 23.1978,1,3-6; 24.1979,1,2,4-6; 25.1980,1-4,6; 26.1981,1,5; 27.1982,1,4-6; 28.1983,1-3,6; 29.1984,1,3-6; 30.1985,2-6; 31.1986; 32.1987; 33.1988,1-3,5,6; 34.1989 - 41.1996; 42/43.1997/98; 44.1999,1,2