Directories 942 History 214 Societies, etc 147 Genealogy 123 Almanacs, American 100 Physicians 73 Periodicals 70 more ... Archives 69 Archival resources 66 Sources 52 Commerce 49 Alumni and alumnae 46 Business enterprises 46 Jews 46 Bibliography 44 Description and travel 44 Museums 39 Services for 39 Associations, institutions, etc 38 Streets 38 Library resources 37 Churches 33 Biography 32 Church buildings 32 Clubs 32 Ethnic groups 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 ...