Law and legislation History 1,001 Taxation 492 Slavery 356 Land tenure 299 Legal status, laws, etc 285 Politics and government 284 more ... Tariff 143 Foreign trade regulation 133 Wool industry 131 Government policy 120 Commerce 106 Slave trade 103 Prevention 97 Finance 90 Finance, Public 87 Law 85 Coinage 84 Grain trade 82 Slaves 80 Customs administration 79 Excise tax 75 Colonies 67 Wine and wine making 64 Civil rights 61 Lent 61 Moral and ethical aspects 61 Real property 57 Environmental law 56 Meat industry and trade 56 less ...