Directories 19 Societies, etc 19 Telephone 14 Genealogy 13 Commerce 11 History 10 Women 10 more ... Alumni and alumnae 9 Almanacs, American 8 Lawyers 8 Museums 7 Periodicals 7 Social registers 7 Associations, institutions, etc 6 Politics and government 6 Societies and clubs 6 American newspapers 5 Clergy 5 Clubs 5 Libraries 5 Suburbs 5 directories 5 American periodicals 4 Canadian newspapers 4 Canadian periodicals 4 Genealogists 4 Law 4 Learned institutions and societies 4 Physicians 4 Streets 4 Universities and colleges 4 Academic libraries 3 Architects 3 Booksellers and bookselling 3 Equipment and supplies 3 Hotels, taverns, etc 3 Officials and employees 3 Public schools 3 Railroads 3 Research 3 less ...