Schlatter, C. L. (1842). Third report of Charles L. Schlatter, principal engineer, in the service of the state of Pennsylvania, to the canal commissioners, relative to the continuous railroad from Harrisburg to Pittsburg: Accompanied with maps and profiles : read in the House of Representatives, Jan. 17, 1842. Harrisburg: Henlock & Bratton, printers.

Schlatter, Charles L. Third Report of Charles L. Schlatter, Principal Engineer, in the Service of the State of Pennsylvania, to the Canal Commissioners, Relative to the Continuous Railroad From Harrisburg to Pittsburg: Accompanied With Maps and Profiles : Read in the House of Representatives, Jan. 17, 1842. Harrisburg: Henlock & Bratton, printers, 1842.

Schlatter, Charles L. Third Report of Charles L. Schlatter, Principal Engineer, in the Service of the State of Pennsylvania, to the Canal Commissioners, Relative to the Continuous Railroad From Harrisburg to Pittsburg: Accompanied With Maps and Profiles : Read in the House of Representatives, Jan. 17, 1842. Harrisburg: Henlock & Bratton, printers, 1842.