History 698 History and criticism 181 Politics and government 174 Philosophy 111 Criticism and interpretation 101 Social conditions 91 Social aspects 71 more ... General 63 Economic conditions 61 Historia 61 Spanish literature 58 Civilization 57 Antiquities 56 Education 49 Indians of South America 48 Educación 43 Agriculture 41 Political aspects 41 Spanish language 40 Excavations (Archaeology) 39 Foreign relations 38 Publicaciones periódicas 38 Agricultura 36 Description and travel 35 Literature 35 Political science 35 Social life and customs 34 Religion 33 Women 33 Emigration and immigration 32 less ...