European Investigative Collaborations (English Wikipedia)

David Hein, von Hein (August 4, 2017). "Spiegel schafft multimediales Recherchenetzwerk" [Spiegel creates a multimedia research network]. Freitag. Retrieved October 11, 2017.
"Der Spiegel gründet europäisches Search-Netzwerk" [Der Spiegel founds a European search network]. horizont.net. March 18, 2016. Retrieved December 21, 2023.

infolibre.es

Ramírez, Begoña P. (May 22, 2020). "Exxonmobil utilizó España durante años para transferir beneficios de Luxemburgo a Delaware sin pagar ni un euro en impuestos" [Exxonmobil used Spain for years to transfer profits from Luxembourg to Delaware without paying a single euro in taxes]. InfoLibre (in Spanish). Retrieved February 17, 2021.

"Some stories can get killed without the right network". Journalism Fund formerly Fonds Pascal Decroos voor Bijzondere Journalistiek vzw. March 30, 2016. Archived from the original on October 12, 2017. Retrieved October 11, 2017.

Arfi, Fabrice; Laske, Karl; Suc, Matthieu (March 18, 2016). "Armes de la terreur: la faillite de l'Europe" [Weapons of terror: the bankruptcy of Europe]. www.mediapart.co.uk. Retrieved October 11, 2017. Au nom de la libre circulation des marchandises, Bruxelles a laissé prospérer en Europe un marché de vente d'armes "neutralisées" qui a permis d'alimenter les terroristes de janvier et novembre 2015. Malgré plusieurs alertes, la loi n'a pas été changée. [In the name of the free movement of goods, Brussels has allowed a market for the sale of "neutralized" weapons to flourish in Europe which made it possible to supply the terrorists of January and November 2015. Despite several alerts, the law has not been changed.]^{[permanent dead link‍]}

Klatten, Susanne; Quandt, Stefan; Seeler, Uwe (May 22, 2020). "Die geheimen Firmen deutscher Prominenter auf den Bahamas" [The secret companies of German celebrities in the Bahamas]. Der Spiegel (in German). Retrieved February 17, 2021.
Kalisch, Muriel; Bolliger, Monika; Buschmann, Rafael; Naber, Nicola; Becker, Sven (July 11, 2023). "Abu Dhabi Secrets: How the UAE Seeks to Leverage Its Influence in Europe". Der Spiegel. ISSN 2195-1349. Retrieved July 19, 2023.

"EU's freedom of goods policy opened door to Paris terror attacks". The Black Sea. March 18, 2016. Retrieved October 11, 2017.
"Mission". Bucharest, Romania: The Black Sea. 2017. Retrieved October 11, 2017.
TheBlackSea.eu. "The Malta Files". theblacksea.eu. Retrieved July 13, 2018.

Sorbello, Paolo (January 3, 2017). "Football Leaks: The Kazakh Connection". The Diplomat. Retrieved October 10, 2017. In 2015, Football Leaks, an anonymous group, unveiled hundreds of contracts and the secret documents that went alongside the deals. The group then gave its terabytes of data to EIC (European Investigative Collaborations), a consortium of investigative journalists...[The files were] mostly linked to the Doyen Group, based in Turkey since 2011 and managed by the Arif family. The brothers Refik and Tevfik Arif hail from Kazakhstan. They grew up as Soviet bureaucrats.

"Some stories can get killed without the right network". Journalism Fund formerly Fonds Pascal Decroos voor Bijzondere Journalistiek vzw. March 30, 2016. Archived from the original on October 12, 2017. Retrieved October 11, 2017.

Kalisch, Muriel; Bolliger, Monika; Buschmann, Rafael; Naber, Nicola; Becker, Sven (July 11, 2023). "Abu Dhabi Secrets: How the UAE Seeks to Leverage Its Influence in Europe". Der Spiegel. ISSN 2195-1349. Retrieved July 19, 2023.