Societies, etc History 358 Periodicals 274 Polish Americans 112 Jews 109 Polish people 93 Emigration and immigration 84 more ... Slovak Americans 74 Slovaks 60 Gymnastics 47 Associations 42 Slavery 40 Religious life 37 German Americans 36 Fraternal organizations 35 Germans 33 Lithuanian Americans 33 Genealogy 31 Indians of North America 29 Latvian Americans 29 Latvians 29 Physical education and training 28 Ukrainians 28 Irish Americans 27 Political activity 27 Ukrainian Americans 26 Anniversaries, etc 25 Ethnic groups 24 Lithuanians 24 Directories 23 African Americans 21 Education 21 Congresses 20 Patriotic societies 20 Societies 20 Armenian Americans 19 Armenians 19 Charities 19 Missions 19 Antislavery movements 18 less ...