Sovereign immunity — Foreign States — Sovereign function of governments — Tripartite Commission for the Restitution of Monetary Gold — Immunity from suit of gold held by Commission — Political question — The law of the United States

Sovereign immunity — Foreign State-owned corporation — Foreign Sovereign Immunities Act 1976 — Policy — Judicial determination of claims of sovereign immunity — Procedure — Respective roles of Federal courts not possessing exclusive jurisdiction — Requirement that provision for removal of cases to Federal courts be strictly construed — The law of the United States

Sovereign immunity — Public ships and other property of Foreign States — Whether Canal Zone statute dealing with jurisdictional immunities of foreign states created a new form of liability limitation for foreign sovereigns in Admiralty suits — The law of the United States

Sovereign immunity — Foreign State-owned corporations — Immunity before administrative authorities — Employment of United States citizens by United States branch of foreign State-owned corporation — Whether subject to jurisdiction of National Labor Relations Board — The law of the United States

Sovereign and organizational immunity — International organisations — Organisation of American States — Whether entitled to absolute or restricted immunity — International Organisations Immunity Act 1945, s. 228 — The law of the United States

Sovereign immunity — Foreign State — Expropriation by foreign State of property owned by United States citizen — Action for damages against foreign State in United States courts — Whether foreign State entitled to sovereign immunity — Whether expropriation a commercial or governmental act — Restrictive theory of sovereign immunity — Act of State doctrine — Whether action barred by Act of State doctrine — Hickenlooper Amendment — The law of the United States

Sovereign immunity — Foreign States and State agencies — Whether Yugoslavian “workers organisation” was an agency or instrumentality of the State — Foreign Sovereign Immunities Act 1976 — The law of the United States

Sovereign immunity — Foreign States — Capacity to sue in the United States courts — Whether a foreign State a “person” entitled to sue for treble damages under the United States antitrust laws — Immunity from suit of foreign State — Effect of Foreign Sovereign Immunities Act 1976 — The law of the United States

Sovereign immunity — Foreign States — Permanent Mission of People's Republic of Congo to the United Nations — Whether a foreign State for purposes of service of process under the Foreign Sovereign Immunities Act — Whether failure to comply with service provisions of the Act sufficient “cause” to extend time limits for removal of actions from State court — The law of the United States

Sovereign immunity — Foreign States — Libel actions against Soviet press agencies — Whether Foreign Sovereign Immunities Act 1976 should be given retroactive effect to apply to cases commenced before its effective date — Whether agencies were “foreign States” entitled to claim immunity under the Act — Effect of Soviet Ambassador's certifications that they were, respectively, an organ of the Soviet State and an agency or instrumentality thereof — Whether agencies entitled to immunity under the Act for their activities in publishing allegedly defamatory articles in periodicals distributed in the United States — The law of the United States

Sovereign immunity — Foreign States — Service of process on foreign States — Foreign Sovereign Immunities Act 1976 — The law of the United States

Sovereign immunity — Foreign State and central bank — Restrictive theory of sovereign immunity — Commercial transaction — Contract for the purchase of cement — Letter of credit — Act of State doctrine — Exception for commercial transactions — Jurisdiction — Quasi in rem jurisdiction obtained by attachment — In personam jurisdiction — Requirement of minimum contacts — Foreign Sovereign Immunities Act 1976 — Whether retroactive — The law of the United States

Sovereign immunity — International organization — Immunity from suit — Whether identical to immunities of foreign governments — The law of the United States

Sovereign immunity — Foreign States and government-owned corporations — Contracts for sale of oil between Libyan Government-owned corporation and foreign companies — Termination as a result of political measures by Libyan Government — Whether Libya and Libyan Government-owned corporation entitled to sovereign immunity — Whether actions having direct effect within the United States — Whether Libya amenable to suit under Act for allegedly inducing its national oil corporation to break contracts in order to comply with oil embargo — Whether Libya and its oil corporation amenable to suit for termination of contract between plaintiffs and oil concessionaire allegedly arising from nationalization — State responsibility — For revocation of concessions — Nationalization as a sovereign act — The law of the United States

Sovereign immunity — Foreign States and agencies — Whether German Information Centre immune from suit in United States courts in connection with public relations activities designed to promote friendly relations between United States and Germany — Whether diplomatic activity — Whether immunity should be granted after effective date of Foreign Sovereign Immunities Act — Effect of State Department recommendation — The law of the United States

Sovereign immunity — Foreign States and State-owned corporations — Corporation owned by Chilean Government agency — Foreign Sovereign Immunities Act 1976 — Removal of actions to Federal District Courts by foreign States — The law of the United States

Sovereign immunity — Foreign States — Government of the German Democratic Republic — Whether immune from suit for taxes on land — Commercial activities of a foreign government — Foreign Sovereign Immunities Act 1976 — The law of the United States

Sovereign immunity — Foreign State and central bank — Whether actions of Nigeria and its State bank in amending letters of credit payable in the United States, constituted commercial activity having a “direct effect” in the United States — Foreign Sovereign Immunities Act 1976 — Meaning of “direct effect” — Whether embargo on shipping entering Nigerian ports and amendments to letters of credit constituted acts of State — The law of the United States

Sovereign and organizational immunities — International organizations — Whether International Telecommunications Satellite Organization (“Intelsat”) immune from suit in United States courts under the International Organizations Immunities Act 1945 — Whether Presidential Executive Order designating Intelsat a public international organization entitled to enjoy the privileges, exemptions and immunities conferred by the Act was effective to extend immunities offered under the Act to Intelsat — Whether international organizations enjoy the same immunities as foreign States — The law of the United States

Sovereign immunity — State-owned corporations — Commercial activity — Contracts of employment — Liability of employer to unemployment insurance contributions — Government-owned airline engaged in carrying Government and commercial traffic — Whether liable to unemployment insurance — The law of the United States