Pennsylvania Hiking Trails: Keystone Trails Association

Insiders' Guide to Gettysburg, 2nd (Insiders' Guide Series)

Insiders' Guide to Pittsburgh, 4th (Insiders' Guide Series)

Philadelphia Off the Beaten Path, 3rd (Off the Beaten Path Series)

Pennsylvania 1948 a survey: By S.K. Stevens and Norman B. Wilkinson

Good order established in Pennsilvania & New-Jersey (March of America facsimile series)

Exploring Pennsylvania: Its geography, history, and government

Cuming's tour to the western country (1807-1809) (In Thwaites, Reuben Gold, 1853-1913, ed. Early western travels, 1748-1846. Cleveland, Clark, 1904-7)

Discovering Pennsylvania

Pennsylvania's best;: The story of Pennsylvania's contributions to life, liberty and the pursuit of happiness for students of history, libraries, ... to be associated in any way with Pennsylvania