Directories 943 History 216 Societies, etc 155 Genealogy 123 Almanacs, American 100 Physicians 73 Periodicals 70 more ... Archives 69 Archival resources 66 Sources 52 Commerce 49 Business enterprises 48 Alumni and alumnae 46 Description and travel 46 Jews 46 Bibliography 44 Services for 41 Ethnic groups 40 Museums 40 Associations, institutions, etc 38 Streets 38 Library resources 37 Biography 33 Churches 33 Church buildings 32 Clubs 32 Lawyers 31 Telephone 31 Minorities 30 By-laws 29 Societies 29 Charities 27 Libraries 27 Society of Friends 27 African Americans 26 Social service 26 directories 24 Charters 23 Social registers 23 Dentists 22 less ...