The Nineteenth-Century American Backsaw by Philip W. Baker

The Incredibly Versatile Sweep Brace by Bob Smalser

The Ratchet Screwdriver by Trevor Robinson

Hand Saw Handle Fastening Devices by Wiktor Kuc

The World of Boring old Bitstocks by Darrell LaRue

Making Saw Handles at Disston by Wiktor Kuc

1885 - Improved Tools for Wood-Workers - The M & B

1882 - Grimshaw on Saws by Robert Grimshaw

1874 - Improved Carpenters' Tools - The M & B

1918 - Fifty Years of Iron and Steel by Joseph G. Butler Jr.

1916 - History of Manufactures in the US 1607-1860 by V. S. Clark

1886 - City of Philadelphia-Leading Merchants and Manufacturers

1895 - The Hardware Trade by Edward C. Simmons

1878 - Iron Making in Pennsylvania - The M & B

1873 - The Great Industries of the United States

Iron and Hopewell Furnace Chronology