Land tenure 39 Land reform 17 Economic aspects 13 Land use 13 Agriculture 12 Rural development 11 History 10 Law and legislation 9 Rural conditions 9 Land use, Urban 8 City planning 6 Land use, Rural 6 Agriculture and state 5 Economic conditions 5 Economics 5 Environmental aspects 5 Social conditions 5 Land settlement 4 Law 4 Social aspects 4 Congresses 3 Forests and forestry 3 Indigenous peoples 3 Land titles 3 Peasants 3 Planning 3 Reclamation of land 3 Registration and transfer 3 Rural poor 3 Villages 3