18th Century Trade Secrets Relative to Metals
   Detailed instructions of the methods used by metal workers in the 18th century.
   http://www.old-crafts.com/metals/secrets_relative_to_metals.htm

Anvilfire
   Blacksmiths' and metal workers' reference. Questions answered daily by the Guru. Meet and chat with other smiths at the Slack Tub Pub. Buy, sell, and trade at the Virtual Hammer-In.
   http://www.anvilfire.com/

Foundry 101
   Hobby metal casting. Learn to cast aluminum and brass in sand molds. Includes step by step instructions with pictures.
   http://www.foundry101.com/

The Hawley Collection
   An edge-tools and cutlery collection housed at the University of Sheffield, in the U.K, and a description of the project.
   http://www.shef.ac.uk/hawley/

The Metalworking FAQ/Compendium
   Based on the FAQ and other information for the UseNet newsgroup rec.crafts.metalworking.
   http://w3.uwyo.edu/~metal/