Business Transactions--Philadelphia--19th century 1 Business history 1 Business transactions--Pennsylvania--19th century 1 Business--History--Pennsylvania--19th century 1 Business--History--Pennsylvania--Philadelphia--19th century 1 Business--History--Pennsylvania--Philadelphia--20th century 1 Business--Litigation and Lawsuits--18th century 1 more ... Carriage and wagon making--19th century 1 Department stores 1 Gasholders 1 Homelessness--Philadelphia (Pa.)--1930's 1 Iron industry and trade--Pennsylvania 1 Legal Disputes--19th Century 1 Legal Documents--19th Century 1 Merchants--Pennslyvania--Philadelphia--20th century 1 Merchants--Pennsylvania--Philadelphia--History 1 Psychiatry 1 Sesqui-Centennial International Exposition (1926 : Philadelphia, Pa.) 1 Stamp collecting 1 Travel 1 Unemployment--Philadelphia (Pa.)--1930s 1 Water heaters, Gas 1 less ...