1. Banco Nacionale de Cuba v. Sabbatino (1964) 376 U.S. 398.
2. Gibson J in Westminster City Council v. Government of the Islamic Republic of Iran [1986] 3 All E.R. 284.
3. Supra n.1, at p.1166C–E, in which reference was made to Re Helbert Wagg [1956] Ch. 323, 346–349 ( Lord Upjohn )
4. Oppenheimer v. Cattermole [1976] A.C. 249, 277–278 ( Lord Cross )