History 94 Agriculture 89 Land use 86 Land tenure 77 Land reform 66 Environmental economics-- Land economics 63 Economics 57 Rural development 57 Politics and government 53 Land economics 52 Tribes 47 Education 45 India 45 Land reforms 43 Population 41 Communication 39 Scheduled tribes 39 Finance 38 Industries 37 Wildlife management 37 Language and literature 36 Non-governmental organizations 36 Transportation 36 Untouchables 36 Tourist trade 35 Urbanization 35 Land 33 Land Resources 28 Land degradation 25 Social Sciences 24