Taxation Law and legislation 80 Income tax 36 History 28 Inheritance and transfer tax 11 Small business 10 Finance, Public 9 more ... Gifts 9 Impôts 7 Investments 7 Politics and government 7 States 7 Finance 6 Tax administration and procedure 6 Debts, Public 5 Government spending policy 5 Tax evasion 5 Tax planning 5 Tax shelters 5 Budget deficits 4 Business enterprises 4 Economic aspects 4 Estate planning 4 Fiscal policy 4 Histoire 4 Impôt 4 Interstate commerce 4 Pensions 4 Tax credits 4 Aeronautics, Commercial 3 less ...