Hazard's register of Pennsylvania, devoted to the preservation of facts and documents, and every kind of useful information respecting the state of Pennsylvania.
The Pennsylvania railroad : its origin, construction, condition, and connections ; embracing historical, descriptive, and statistical notices of cities, towns, villages, stations, industries, and objects of interest on its various lines in Pennsylvania and New Jersey
Compendium Florae Philadelphicae : containing a description of the indigenous and naturalized plants found within a circuit of ten miles around Philadelphia