Bestandsinformationen
1970,138-140,142-147; 1971; 1972,1-8,10-12; 1973,2,4-12; 1974,1-3,5-9,12; 1975,1-3,6-12; 1976,1-10,12; 1977 - 1978; 1979,1-9,11-12; 1980,1-10,12; 1981,1-2,4-11; 1982 - 1990; 1991,1-6,8-12; 1992 - 1997; 1998,1-3,5-12; 1999 - 2001; 2002,1-6,8-12; 2003 - 2006 ; 2007,1-3,5-12; 2008 - 2009; 2010,1-3,5-12; 2011 - 2018; 2019,1-6,9-12; 2020,1 - 2021,7/8