Philadelphia (Pa.)--Social conditions--20th century 5 Philadelphia (Pa.)--History--20th century 3 Philadelphia (Pa.)--Officials and employees 3 Mayors--Pennsylvania--Philadelphia 2 Philadelphia (Pa.)--City government--20th century 2 Philadelphia (Pa.)--Politics and government--20th century 2 African American Methodists 1 more ... African American business enterprises--Pennsylvania--Philadelphia 1 African American businesspeople--Pennsylvania--Philadelphia 1 African American businesspeople--Social networks 1 African American clergy 1 African American--Self-employed 1 African Americans--Education--Pennsylvania--Philadelphia 1 Beauty culture--Periodicals 1 Beauty culture--Social aspects--United States 1 Beauty culture--Study and teaching--United States 1 Beauty culture--United States--History--20th century 1 Beauty culture--Vocational guidance 1 Beauty shop--Supplies industry--United States 1 Beauty shops--Social aspects--United States 1 Beauty shops--United States--History--20th century 1 Campaign management--United States 1 Diaries--19th century 1 Elections--Pennsylvania--Philadelphia--History--20th century 1 Elections--United States--Planning 1 Engineering firms--United States 1 Engineering proceedings 1 Engineering--Education 1 Engineering--Pennsylvania 1 Engineering--Pennsylvania--Philadelphia 1 Engineering--Problems, exercises, etc 1 Engineering--Social aspects--United States 1 Engineering--Societies, etc 1 Learned institutions and societies--Pennsylvania--Philadelphia 1 Municipal government--Pennsylvania--Philadelphia--20th century 1 Municipal officials and employees--Pennsylvania--Philadelphia 1 Municipal records--Philadelphia 1 Philadelphia (Pa.)--City planning 1 Philadelphia (Pa.)--Civic improvement 1 Philadelphia (Pa.)--Intellectual life--19th century 1 less ...