Ethnic groups Societies, etc 312 History 170 Minorities 121 Greek Americans 69 Polish Americans 69 Jews 63 more ... Emigration and immigration 62 Irish Americans 62 Italian Americans 50 Social conditions 46 Social life and customs 40 Ethnicity 39 Periodicals 38 Immigrants 37 Population 33 Study and teaching 31 African Americans 30 Anniversaries, etc 30 Directories 27 Ethnology 27 Lithuanian Americans 25 German Americans 24 Education 22 Italians 22 Race relations 22 Statistics 22 Puerto Ricans 21 Chinese Americans 20 Bibliography 19 Germans 17 Recreation 16 Hispanic Americans 15 Japanese Americans 15 Polish people 15 Welsh Americans 15 Chinese 14 Employment 14 Political activity 14 Festivals 13 less ...