Published 6 times a year by the German Go Federation with 48, 56 or 64 pages each issue. During 2006, the milestone of its 80th published volume since 1909 was reached. (It wasn't published during the two World Wars.)
The "Deutsche Go Zeitung" contains reports from tournaments and events around Germany, some international news, about 1-4 commented games (pro or amateur), some tsumego and miscellaneous announcements and articles.
PDFs are available here. However, beginning with 2/2012 and at least one year old.