Holdings
23.1972,2,5; 24.1973,2-3,6; 26.1975,1-4,6; 27.1976,1,5-6; 28.1977,2,4-6; 29,1978,2-6; 30.1979 - 32.1981; 34.1983,1-3,5-6; 35.1984 - 37.1986; 38=78.1987 - 43=83.1992; 87.1996 - 91.2000,3; 92.2001,1-3
[Inhaltsverz.: 25/26.1974/75; 27/28.1976/77; 28/29.1977/78; 29/30.1978/79; 30/31.1979/80; 31.32.1980/81; 33/34.1982/83; 34/35.1983/84]