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, including drafts of HL's and Vladmir Idelson's Joint Opinion on the case and HL's Separate Opinion.

Also includes HL's draft reply in the Abu Dhabi arbitration and his and Otto Kahn-Freund's Joint Opinion on the case of Petroleum Concessions Limited against Qatar.