Sovereign immunity — Foreign State-owned corporation — Determination regarding sovereign immunity by State Department — Conclusiveness — Extraterritorial effect of expropriatory decrees — Whether agency of foreign State succeeds to rights located in the United States — Whether entitled to claim sovereign immunity — Immunity from execution — The law of the United States

Sovereign immunity — Foreign State-owned corporations — New York corporation owned by British nationalized industry — Jurisdiction of the United States Labor Relations Board — Whether appropriate for Board to exercise jurisdiction over State-owned corporation — The law of the United States

Sovereign immunity — Foreign States — Restrictive theory of sovereign immunity — Commercial transactions — Contract for the delivery of fishing vessel to be used for training purposes — Whether commercial — Whether Court bound by decision of Department of State — Pre-judgment attachment of property — The law of the United States

Sovereign immunity — Foreign State-owned corporation engaged in commercial activities — Whether vessels owned and operated by such a corporation immune from arrest — The law of the United States

Sovereign immunity — Foreign State — Pre-judgment attachment of property — Suggestion of immunity by Department of State — Conclusiveness of this suggestion — The law of the United States

Sovereign immunity — Foreign State-owned corporations — Delaware corporation controlled and largely owned by Italian Government corporation — Jurisdiction of the United States National Labor Relations Board — Whether appropriate for Board to exercise jurisdiction over State-owned corporations — The law of the United States

Sovereign immunity — Foreign State — Service of process upon foreign government — Service upon Embassy — Service upon Ministry of External Relations — Diplomatic immunity — Whether service of process by post likely to jeopardize friendly relations — The law of the United States

Sovereign immunity — State-owned ships — Merchant vessel — Immunity from attachment — Arrest of vessel in Panama Canal — Attempt to obtain jurisdiction in respect of proceedings concerning sister ships — Role of the Department of State — Whether suggestion of immunity reviewable — Whether Department of State required to give reasons for decisions — Conduct of foreign relations — The law of the United States.

Sovereign immunity — Foreign State — Determinations of immunity by Department of State — Whether subject to judicial review — Whether determination that no suggestion of immunity would be appropriate is conclusive — Restrictive theory of sovereign immunity — Application — Action arising out of damage allegedly caused during construction of Embassy building — The law of the United States

Sovereign immunity — Public vessel — Immunity from attachment — Vessel engaged in scientific research — State Department suggestion of immunity — Whether subject to judicial review — Relationship between courts and Executive in matters affecting foreign relations — Waiver of immunity — General provision in treaty — Whether amounting to waiver — The law of the United States

Sovereign immunity — Foreign State — Restrictive theory of sovereign immunity — Contract for the supply of military equipment for use by armed forces — Public or political act — Whether non-commercial nature of transaction affected by subsequent commercial use of equipment — The law of the United States

Sovereign immunity — Political subdivisions of foreign sovereign State — Municipal authority — City of London — Amenability to suit — Service of process — The law of the United States

Sovereign immunity — Foreign State — Restrictive theory of sovereign immunity — Scope — Distinction between governmental and commercial activities — Contract for the carriage of grain for resale or free distribution — Whether a commercial transaction — Importance of determination by Department of State in borderline cases — The law of the United States

Sovereign immunity — Foreign States — Action to confirm arbitration award against the Government of Pakistan — Whether State Department's refusal to suggest immunity binding on Court — Whether Court should exercise its discretion to refuse to entertain the action — Political question — The law of the United States

Sovereign immunity — Foreign State — Restrictive theory of sovereign immunity — Commercial transaction — Purpose of transaction — Contract for the purchase of wheat flour — Whether relevant that wheat flour intended for humanitarian or national use — The law of the United States

Sovereign immunity — Foreign State and State-owned corporation — Commercial transactions — Contract for the distribution of Romanian wine in the United States — Restrictive theory of sovereign immunity — Determination by State Department — Relationship between courts and the Executive — Refusal of State Department to make determination after matter has been considered by the courts — The law of the United States

Sovereign immunity — Foreign State — Service of process — Service upon mission to United Nations — Service upon State-owned corporations — Whether adequate to establish personal jurisdiction over State — Restrictive theory of sovereign immunity — Whether maintaining a hospital a governmental act — The law of the United States

Sovereign immunity — Foreign State and central bank — Restrictive theory of sovereign immunity — Meaning of commercial transaction — Contract for purchase of cement — Cement allegedly to be used in constructing barracks — Whether commercial transaction — Attachment of funds of Central Bank of Nigeria — The role of the courts in determining questions of sovereign immunity in absence of suggestion from Department of State — The law of the United States

Sovereign immunity — Foreign governments and their officials — Government of political subdivision of foreign State — Province of Newfoundland — Alleged violation by Province and its officials of United States securities laws — Whether officials entitled to immunity — Whether Province entitled to immunity — Role of the United States Department of State — Conclusiveness of suggestion of immunity by Department of State — Whether United States Securities Exchanage Act 1934 applies to foreign governments — Service of process — The law of the United States