Armstrong, David, Farrell, Theo and Hélène Lambert (2007) International Law and International Relations. Cambridge: Cambridge University Press. A general text on international law and how it is bound up with international relations, focusing on the main theories of both fields and placing them in historical context.
Anghie, Antony, Chimni, Bhupinder, Mickelson, Karin and Obiora Okafor (eds.) (2021) The Third World and International Order: Law, Politics and Globalization. Leiden, Brill Publishers. Edited volume about the interconnections and imbrications between the Third World and international law that furthers the field known as Third World Approaches to International Law.
Pahuja, Sundhya (2005). The postcoloniality of international law. Harvard International Law Journal 46(2): 459-470. Article arguing that international law is postcolonial because it contains within it and reproduces the condition that marks the postcolonial. This condition is defined by the constitutive relationship between self and Other, and by the inclusions of that which is excluded given the claim to universality within the latter relationship. International law therefore contains both colonial and anti-colonial effects.
Pease, Kelly-Kate S. (2010) “Who Says What The Law Is?” International Studies Review, 12(4): pp 628-636. A review article of four texts about international law from an IR perspective, reviewing the strengths and weaknesses of the theoretical foundations of each book.
Watson, Irene (2014) Aboriginal Peoples, Colonialism and International Law: Raw Law. London: Routledge. A book investigating the effects of colonialism from the perspective of Aboriginal law, arguing that colonial dispossession and removals violated the ways of relating to ancestral lands and to others that are central to the Aboriginal legal system.