Report of the Select Committee Relative to the Renewal of the State Railways with Pennsylvania Cast Iron Rails, Mr. Trego, chairman read in the House of Representatives, April 4, 1843 ([s.n.], 1843)
Goldsmiths'-Kress no. 33380.9. - OCLC, 19532771. - Reproduction of original from Kress Library of Business and Economics, Harvard University