books.google.com - Few states have a railroad heritage as rich as Pennsylvanias. This illustrated book offers a colorful look at the Keystone States historic railroads, the men who built and ran them, and the engineering feats that made them possible. Railway historian Brian Solomon also shows readers the legacy those...http://books.google.com/books/about/Railroads_of_Pennsylvania.html?id=nOkbYSextEoC&utm_source=gb-gplus-shareRailroads of Pennsylvania
