History 77 History and criticism 41 General 30 Criticism and interpretation 27 SOCIAL SCIENCE 21 Social conditions 21 Art 20 Emigration and immigration 20 Social aspects 19 HISTORY 15 Hispanic Americans 15 Mexican Americans 15 Immigrants 14 Philosophy 14 Politics and government 13 Indigenous peoples 12 Antiquities 11 Civilization 11 ART 10 Anthropology 10 POLITICAL SCIENCE 10 Painting 10 Bills, Private 9 Claims 9 Law and legislation 9 Music 9 American literature 8 Economic conditions 8 Histoire 8 LITERARY CRITICISM 8