Holdings
1948 - 1953; 1956; 22.1957 - 55.1990; 2000,4; 2001,1; 2001,3; 2002; 2003,2; 2003,4; 2004,1; 2004,3 - 2005,3; 2006,1 - 2009,1; 2010,1-2; 2011,3-4; 2012,1; 2012,4 - 2013,1; 2013,4; 2014,2 - 2015,2; 2016,1; 2016,4; 2017,1-3
[1991 - 1997 Delphin / Ausgabe Nord-West]