Financial statement (1920-21) (rates of income tax and super tax). Return to an order of the Honourable the House of Commons, dated 19 April, 1920;--for, copy "of statements, together with copy of graphs (reproduced from appendix III. to the report of the Royal Commission on the Income Tax [Cmd. 615]), showing the amount of tax payable on certain incomes, and the effective rate charged in the £, under the existing law, and under the proposals made by the Chancellor of the Exchequer on 19 April, 1920." [electronic resource].