Societies, etc History 408 Periodicals 275 Polish Americans 139 Emigration and immigration 117 Polish people 114 Jews 113 more ... Slovak Americans 91 Slovaks 76 Associations 72 Gymnastics 54 Religious life 46 Lithuanian Americans 45 Fraternal organizations 43 Latvian Americans 42 Latvians 41 Slavery 40 German Americans 39 Germans 37 Ukrainians 37 Genealogy 34 Political activity 34 Lithuanians 32 Américains d'origine polonaise 31 Anniversaries, etc 31 Physical education and training 31 Ukrainian Americans 31 Indians of North America 30 Ethnic groups 28 Irish Americans 27 Societies 26 Education 24 Directories 23 African Americans 22 Armenian Americans 21 Armenians 21 Américains d'origine slovaque 20 Catholics, Lithuanian 20 Charities 20 Congresses 20 less ...