Societies, etc Ethnic groups 510 Periodicals 459 History 317 Polish Americans 233 Greek Americans 168 Jews 162 more ... Lithuanian Americans 118 Slovak Americans 116 Irish Americans 113 Associations 112 German Americans 109 Polish people 107 Emigration and immigration 94 Anniversaries, etc 86 Religious life 69 Germans 64 Slovaks 64 Gymnastics 60 Italian Americans 55 Fraternal organizations 52 Directories 49 African Americans 48 Political activity 48 Ukrainian Americans 47 Latvian Americans 39 Lithuanians 39 Societies and clubs 39 Charities 37 Ukrainians 37 Genealogy 36 Indians of North America 35 Greeks 32 Latvians 32 Women 32 Choral societies 29 Minorities 29 Study and teaching 29 Armenian Americans 28 Physical education and training 28 less ...