G. Calcara, ‘INTERPOL and International Police Cooperation’ in P. Caeiro, S. Gless, and V. Mitsilegas - with M.J. Costa, J. De Snaijer and G. Theodorakakou (eds) Elgar Encyclopedia of Crime and Criminal Justice (Edward Elgar Publishing 2024).
G. Calcara and M. Launiala, ‘An overview of INTERPOL´s Involvement in Tackling Maritime Piracy: History, Developments, and Legal Issues’ in Y. Eski and M. Wright (eds) Maritime Crime & Policing (Routledge 2023).
G. Calcara, Assessing the Past and Present Role of INTERPOL: Balancing Between the Need of Upholding Global Security by Connecting Police Institutions of Different Countries and the Need of Safeguarding the Rights of Individuals (Doctoral Dissertation, University of Eastern Finland 2022)
G. Calcara, ‘Balancing International Police Cooperation: INTERPOL and the Undesirable Trade-off Between Rights of Individuals and Global Security’ (2021) 42(2) Liverpool Law Review (Springer), 111-142.
G. Calcara, ‘A transnational police network co-operating up to the limits of the law: examination of the origin of INTERPOL’ (2020) 11(4) Transnational Legal Theory (Routledge), 521-548.
G. Calcara, ‘Rethinking legal research on matters of international police cooperation: Issues, methods and raison d’être’ (2019) 40(2) Liverpool Law Review (Springer), 95-111.
G. Calcara, P. Sund, and M.J. Tolvanen, Cybercrime, Law and Technology in Finland and Beyond (Police University College reports 133, Police University College of Finland 2019).
G. Calcara, ‘Preventing the Misuse of Interpol: A Study on the Legal Safeguards of the Organization’ (2018) 87(1) Nordic Journal of International Law (Brill), 56-78.
G. Calcara, M Forss, M J Tolvanen, and P Sund ‘The Finnish Internet Police (Nettipoliisi): towards the development of a real cyber police’ (2015) 6(2) European Journal of Law and Technology.