Railroads 8 Finance 7 History 5 Loans 5 Deeds--18th Century 3 Philadelphia (Pa.)--Politics and government--20th century 3 Affirmative action programs--Government policy--United States--History--20th century 2 more ... Artists--Correspondence 2 Books and Bookselling--19th Century 2 Booksellers and bookselling -- Pennsylvania -- Philadelphia 2 Canal companies 2 Canals 2 Charities--Pennsylvania--Philadelphia 2 Coal trade 2 Consumer activism--20th century 2 Economics--19th century 2 Family life--Personal correspondence--20th century 2 Hispanic Americans--Housing--Pennsylvania--Philadelphia 2 Historic buildings--Pennsylvania--Philadelphia 2 Housing rehabilitation--Pennsylvania--Philadelphia 2 Insurance companies--United States 2 International trade--18th century 2 Investment banking 2 Philadelphia (Pa.)--City government--20th century 2 Philadelphia (Pa.)--City planning 2 Philadelphia (Pa.)--Officials and employees 2 Philadelphia. Office of Housing and Community Development 2 Politics and government 2 Psychiatry 2 Publishers and publishing 2 Publishing 2 Publishing--19th century 2 Selling--Books 2 Slavery 2 Urban renewal--Pennsylvania--Philadelphia 2 Women's history--Pennsylvania--Philadelphia 2 %SP3 1 AIDS (Disease) 1 Accounts--18th century 1 Accounts--19th century 1 less ...