Papers and correspondence on the case relating to the nationalisation of the assets of the Anglo-Iranian Oil Company [earlier the Anglo-Persian Oil Company] by the Government of Iran, particularly whether the International Court of Justice was competent to judge it. Includes drafts of the Joint Opinion by HL and Vladmir Idelson, also later photocopies from the Public Record Office of the final Joint Opinion and a note from HL to Elihu Lauterpacht on the next few years of his future career.