Federal Ministry of the Interior, Federal Office for the Protection of the Constitution and Counterterrorism (Bundesministerium für Inneres, Bundesamt für Verfassungsschutz und Terrorismusbekämpfung) (2018), Annual Report on the Protection of the Constitution (Verfassungsschutzbericht 2017)
The Ombudswoman of the Republic of Croatia (Pučka pravobraniteljica) (2017), Annual report for the Ombudswoman for 2017 (Izvješće pučke pravobraniteljice za 2017. godinu)