Agricultura 205 Social conditions 91 Sustainable development 91 Condiciones económicas 90 Desarrollo sostenible 90 Economic conditions 90 Traditional farming 89 Indians of Mexico 88 Indios de México 88 Agriculture 85 Ciencias sociales 23 Economic aspects 21 Cattle 19 Social Science 19 Ganado 18 Agriculture and state 17 Agricultura y estado 13 General 13 AGRICULTURA 12 Aspectos económicos 12 Derecho 11 Historia 10 History 10 Law 10 Legislación 9 Rural development 9 Desarrollo rural 8 Research 8 Rural conditions 8 Agricultural law and legislation 6