Atkinson, Anthony B. (contributor) - 2002 - [Elektronische Ressource]
In 1909 the United Kingdom Government introduced super-taxʺ, which was an additional income tax levied on top incomes …, since under the ordinary income tax, the authorities did not know the total income of individuals, which could be the … subject of several separate assessments. Super-tax remained in existence until 1972, by which time other income tax sources …