
https://www.occrp.org/en/investigations/emails-show-how-millions-flowed-to-political-consultants-in-malta-hospital-corruption-case

https://www.otto-brenner-stiftung.de/fileadmin/user_data/stiftung/Aktuelles/AH93/AH_93_Haller_Web.pdf

http://berlinpolicyjournal.com/detour-deurope/