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Alvik, Ivar (2018). "Protection of Private Property in the Early Law of Nations". Journal of the History of International Law. 20 (2): 220. doi:10.1163/15718050-19041026. S2CID158672172.
Alvik, Ivar (2018). "Protection of Private Property in the Early Law of Nations". Journal of the History of International Law. 20 (2): 218–227. doi:10.1163/15718050-19041026. S2CID158672172.