Business records--Pennsylania--Philadelphia--19th century 3 Manuscripts, American 2 African American civic leaders--Pennsylvania--Philadelphia 1 African American inventors--Pennsylvania--Philadelphia 1 African American novelists--Pennsylania--Philadelphia 1 African American women journalists--Pennsylvania--Philadelphia 1 African Americans--Civil rights--History 1 more ... African Americans--Employment 1 Archives 1 Discrimination in employment 1 History 1 Indexes 1 Insurance law 1 International trade--18th century 1 International trade--19th century 1 Joint Organization of the Association for Equalizing Industrial Opportunities and the League of Civic and Political Reform 1 Merchants--Pennsylvania--Philadelphia--18th century 1 Merchants--Pennsylvania--Philadelphia--19th century 1 Merchants--Rhode Island--Newport 1 Newport (R.I.)--Merchants--18th century 1 Philadelphia (Pa.)–-Merchants-–18th century 1 Philadelphia (Pa.)–-Merchants-–19th century 1 Schools 1 Slavery--West Indies--18th century 1 Sources 1 Stock companies--Philadelphia (Pa)--19th century 1 Trade--China--18th century 1 United States Postal Service--Officials and employees 1 less ...