Ethnic groups 28 National-- racial-- ethnic group in India 9 Ethnic Groups 8 Nationalism 7 History 6 Social Sciences 6 Ethnic groups in literature 5 Ethnicity 5 History and criticism 5 Immigrants 5 Minority authors 5 Medicine -- Encyclopedias---- Health -- Encyclopedias--- Medicine 4 Multiculturalism 4 Political activity 4 Women 4 American literature 3 Colonialism 3 Ethnic Group 3 Ethnic group 3 Ethnology 3 Globalization 3 History, 19th Century 3 History, 20th Century 3 India 3 Medicine 3 Minorities 3 Public Health 3 Public health 3 Social Environment 3 Social conditions 3