Title: A House Dividing: Economic Development in Pennsylvania and Virginia before the Civil War, Author: John Majewski
Title: The Great Road: The Building of the Baltimore and Ohio, the Nation's First Railroad, 1828-1853 / Edition 1, Author: James  D. Dilts
Title: The Ghosts of Duffy's Cut: The Irish Who Died Building America's Most Dangerous Stretch of Railroad, Author: William E. Watson