1. Amerasinghe CF (2005) Principles of the Institutional Law of International Organizations, 2nd edn. Cambridge University Press, Cambridge
2. Amerasinghe CF (2010) A Twentieth Century contribution to International Personality: the International Organization. In: Vukas B, Šošić TM (eds) International law: new actors, new concepts, continuing Dilemmas. Martinus Nijhoff, Leiden, pp 97–105
3. Arangio Ruiz G (1972) The normative role of the general assembly of the United Nations and the declaration of principles of friendly relations (with an appendix on the concept of International Law and the theory of International Organization). Collect Courses Hague Acad Int Law 137:419–742
4. Bantekas I (2009) Trust funds under International Law: trustee obligations of the United Nations and International Development Banks. T.M.C. Asser Press, The Hague
5. Ben-Ari RH (2013) The legal status of International Non-governmental Organizations: analysis of past and present initiatives (1912–2012). Martinus Nijhoff, Leiden