Online Resource
Braunschweig : Cramer
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Braunschweig : Braunschweigische Wiss. Ges.
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Braunschweig : Vieweg
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Göttingen : Goltze
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1.1949 - 49.1998(1999); 50.2000(2001) - 55.2005(2006); 56.2005(2006) - 57.2006(2007); 58.2008; 59.2008; 60.2008; 61.2008 - 62.2009; 63.2010(2011)-Band 64