Mexican Americans 44 History 40 Hispanic Americans 22 Ethnic relations 14 Civil rights 13 American literature 12 Hispanic American authors 12 more ... Intellectual life 12 Social conditions 12 History and criticism 10 Puerto Ricans 10 Hispanic American literature (Spanish) 9 Petroleum industry and trade 9 Hispanic Americans in literature 8 Social life and customs 8 Cuban Americans 7 Mexican American women 7 Mexicans 7 Politics and government 7 Emigration and immigration 6 Women 6 Bilingual 5 Childhood and youth 5 Civil rights movements 5 Civil rights workers 5 Immigrants 5 Petroleum 5 Spanish language materials 5 Ethnic identity 4 Hispanic American women 4 less ...