Report of Walter Gwynn, Chief Engineer of the Blue Rail Road Company, in South Carolina, to a meeting of the stockholdersWalter Gwynn1856
From the Hills to the Hudson, a History of the Paterson and Hudson River Rail Road and Its Associates, the Paterson and Ramapo, and the Union Railroads. By Walter Arndt Lucas.Walter Arndt. Lucas1944
Extract from the Report of Walter Gwynn, Esq., Engineer, to the Wilmington and Raleigh Rail Road Company.Wilmington and Raleigh Rail Road Company, Walter Gwynn1836