Collection
- Spectrum 1981-1982 Volume 124
- Spectrum 1982-1983 Volume 134
- Spectrum 1983-1984 Volume 144
- Spectrum 1984 Volume 154
- Spectrum 1999 Volume 274
- Spectrum 2001 Volume 294
- Spectrum 2002 Volume 304
- Spectrum 2004 Volume 324
- Spectrum 2005 Volume 334
- Spectrum 2006 Volume 344
- Spectrum 2007 Volume 354
- Spectrum 2008 Volume 364
- Spectrum 2009 Volume 374
- Spectrum 2010 Volume 384
- Spectrum 2011 Volume 394
- Spectrum 2012 Volume 404
- Spectrum 2013 Volume 414
- Spectrum 2014 Volume 424
- Spectrum 2015 Volume 434
- Spectrum 2016 Volume 444