About/Subject 9
 | Rock Hard Enzyklopädie | Hardback + CD |
 | ROCKS Nr. 04/2009 | Magazine |
 | ROCKS Nr. 02/2010 | Magazine |
 | ROCKS Nr. 01/2011 | Magazine |
 | ROCKS Nr. 02/2011 | Magazine |
 | ROCKS Nr. 33 (02/2013) | Magazine |
 | ROCKS Nr. 59 (04/2017) | Magazine |
 | Rock Hard Vol. 370 März 2018 | Magazine |
 | ROCKS Nr. 69 (02/2019) | Magazine |
Interview with/Interviewee 1
 | ROCKS Nr. 31 (06/2012) | Magazine |