A concise history of the iron manufacture of the American colonies up to the revolution, and of Pennsylvania until the present time : originally publ. 1876

The diffusion of technological change in the Pennsylvania pig iron industry, 1850-1870

Walsh, William David, (1975)

Establishment efficiency and profitability and the introduction of new technology in the mid-nineteenth century Pennsylvania pig iron industry

Walsh, William D., (1971)

Virginia iron manufacture in the slave era

Bruce, Kathleen, (1968)