German Wikipedia (English Wikipedia)

nova-Institut (26 June 2007): Nachwachsende Rohstoffe in die Wikipedia! Archived 3 February 2008 at the Wayback Machine Press release. Retrieved 24 October 2007.

netzpolitik.org

"Wikipedia: Handlungsbedarf bei bezahltem Schreiben". netzpolitik.org (in German). 9 June 2022. Retrieved 26 July 2023.

nova-Institut: Nachwachsende Rohstoffe in die Wikipedia! Archived 2 October 2008 at the Wayback Machine Project page. Retrieved 31 July 2008.

Wikipedia schlägt Brockhaus Stern online, 5 December 2007 (summary of the test, German)

Lobe, Adrian (25 June 2019). "Gekaufte Wahrheiten auf Wikipedia". Süddeutsche.de (in German). Retrieved 22 January 2022.
Zeitung, Süddeutsche (15 January 2016). "Warum Wikipedia nach 15 Jahren in der Krise steckt". Süddeutsche.de (in German). Retrieved 30 January 2022.
Urban, Thomas (16 December 2015). "Wikipedia: Über hundert Fehler, super!". Süddeutsche.de (in German). Retrieved 22 January 2022.

Giessler, Denis (15 January 2021). "Wikipedia wird 20 Jahre alt: Ungleich verteiltes Wissen". Die Tageszeitung: taz (in German). ISSN 0931-9085. Retrieved 26 July 2023.
Drosdowski, Johannes (24 April 2022). "Enthüllung über Bundesbehörden: Geweihe und Corona-Boni". Die Tageszeitung: taz (in German). ISSN 0931-9085. Retrieved 26 July 2023.

Internet Archive's snapshots of German Wikipedia HomePage, 21 March 2001 12:10 (revision #9), and related revision history. Retrieved 4 November 2008.
"Nupedia German-L Section" (6 April 2001), "Vergil" (16 April 2001),"Pylos" (17 April 2001).
Wikipedia Academy web site Archived 13 April 2006 at the Wayback Machine (in German)
nova-Institut (26 June 2007): Nachwachsende Rohstoffe in die Wikipedia! Archived 3 February 2008 at the Wayback Machine Press release. Retrieved 24 October 2007.
nova-Institut: Nachwachsende Rohstoffe in die Wikipedia! Archived 2 October 2008 at the Wayback Machine Project page. Retrieved 31 July 2008.
Gross, Doug. "Wiki wars: The 10 most controversial Wikipedia pages." (Archive) CNN. 24 July 2013. Retrieved on 26 July 2013.
Usability test: Finding Information in the German Wikipedia - Test Results Archived 6 May 2006 at the Wayback Machine November 2005
Usability Test Results Available: "Editing in Wikipedia" Archived 29 April 2006 at the Wayback Machine, 7 March 2006
K.C. Jones: German Wikipedia Outranks Traditional Encyclopedia's Online Version Archived 12 December 2007 at the Wayback Machine. InformationWeek, 7 December 2007
Defense and illustration of Wikipedia Archived 22 March 2006 at the Wayback Machine, by Bertrand Meyer, January 2006

Jimmy Wales [Wikipedia-l] Alternative language Wikipedias, 16 March 2001
Erik Möller: Wikipedia page protection report Wikitech-l mailing list, 14 September 2005

Wikipedia Academy web site Archived 13 April 2006 at the Wayback Machine (in German)

Giessler, Denis (15 January 2021). "Wikipedia wird 20 Jahre alt: Ungleich verteiltes Wissen". Die Tageszeitung: taz (in German). ISSN 0931-9085. Retrieved 26 July 2023.
Drosdowski, Johannes (24 April 2022). "Enthüllung über Bundesbehörden: Geweihe und Corona-Boni". Die Tageszeitung: taz (in German). ISSN 0931-9085. Retrieved 26 July 2023.