Bestand
1954,Nr.5-6; 1955,Nr.8; 1961,Nr.17; 1963,19-20; 1965,21 - 1970,31,33,35; 1971,36-37; 1972,40; 1972/73,42/43; 1973,44,46 - 1974,51; 1976,55/56,58 - 1977,61; 1979,68,69,71; 1980,75; 1981,77-78; 1986,95; 1988,107; 1989,108,110; 1990,112-114; 1991,117-118; 1992,123; 1993,125,127; 1994,128-131; 1995,135; 1996,136,138-139; 1997,140; 1998,144