Pamphlets on railroads in Pennsylvania.

[v. 1] Rail-roads for Philadelphia! An appeal ... by Jacob Dewees.-- ... The Great Central Railroad, from Philadelphia to St. Louis, by J.A. Roebling.--Baltimore. Citizens. Report of the committee composing the delegation ... to the Susquehanna railroad convention ... May 20th, 1851.--Report on the proposed railroads from Phoenixville to Cornwall, and from Cornwall to Pinegrove, by W.H. Wilson.--Argument of Mr. St. Geo. T. Campbell ... in support of the constitutionality of laws authorising subscriptions by municipal corporations to the stock of works of internal improvement.--Map of the Barclay coal bed, Bradford Co., Pa. [submitted by J.P. Lesley]Mode of access: Internet