Fernon, T. S. 1. (1854). Memorial of the North Pennsylvania Rail Road Company to the Councils of the city of Philadelphia.: Read in Councils and ordered to be printed, February 16, 1854. Philadelphia:: Crissy & Markley, printers, Goldsmiths Hall, Library Street..

Fernon, Thomas S. 1818-1896. Memorial of the North Pennsylvania Rail Road Company to the Councils of the City of Philadelphia.: Read in Councils and Ordered to Be Printed, February 16, 1854. Philadelphia:: Crissy & Markley, printers, Goldsmiths Hall, Library Street., 1854.

Fernon, Thomas S. 1818-1896. Memorial of the North Pennsylvania Rail Road Company to the Councils of the City of Philadelphia.: Read in Councils and Ordered to Be Printed, February 16, 1854. Philadelphia:: Crissy & Markley, printers, Goldsmiths Hall, Library Street., 1854.