History 4,784 Historia 3,775 Education 3,054 Educación 2,778 Derecho 1,895 Philosophy 1,787 Filosofía 1,690 Public administration 1,682 Law 1,650 Ciencias sociales 1,620 General 1,620 Politics and government 1,446 Administración pública 1,376 Derecho administrativo 1,184 Law and legislation 1,134 Libros electrónicos 1,117 Administrative law 1,074 Social conditions 1,062 Study and teaching 988 Research 982 Social Science 942 Social aspects 916 Sociology 852 Política y gobierno 851 Religión 842 Social sciences 823 Sociología 760 Education, Higher 751 Political science 742 Economic conditions 696