Bestand
1971; 1972.1-9,11,12; 1973.1,2,4-12; 1974.1-8,9-12; 1975.1-8,10-12; 1976.1-3,5 fehlerhaft,6-10,12; 1977.1,3-12; 1978.1-8,10,11; 1979; 1980.2,3,5,7-9-11; 19811,3-5,7,8,11; 1982; 1983 1984.2,7,8,12; 1985.1,3,4,78; 1987.4,5,9; 1988.1-11; 1989.1,3-12; 1990.1-5; 1991.1-4; 1992.1-3; 1993.1,2; 1994.2,3; 1995.1,3A,B,4B,2; 1996.1-3; 1997.2-4; 1998.3,4; 1999.1; 2002.4; 2003.1-4; 2004.1-4; 2005.1-4