1. Gregory, C.E.: A concise history of mining. Pergamon Press, NY (1980)
2. Turner, R., Golden, S.L. (eds.): Great engineers and pioneers in technology
3. Hill, D.R.: A history of engineering in classical and medieval times. Open Court Publishing Company, La Salle, Ill (1984); This well-known and excellent account covers the period from 600 BC to 1450 AD
4. There is a vast literature concerned with the life and work of Leonardo da Vinci, and quite a bit of it is available on the Internet. Perhaps the best starting point is simply Wikipedia,
http://en.wikipedia.org/wiki/Leonardo_da_Vinci
5. Channell, D.F.: A history of engineering science, Garland, New York (1989)