(1) Bhatt, C. R., Goueguel, C. L., Jain, J. C., Edenborn, H. M., & McIntyre, D. L. (2017). Analysis of charcoal blast furnace slags by laser-induced breakdown spectroscopy. Applied optics, 56(28), 7789-7795
(2) Flowers, Paul; Robinson, William R.; Langley, Richard; Theopold, Klaus (2015). “Occurrence, Preparation, and Properties of Transition Metals and Their Compounds”. Chemistry. OpenStax. ISBN 978-1938168390
(3) Piatak, N. M., Parsons, M. B., & Seal II, R. R. (2015). Characteristics and environmental aspects of slag: A review. Applied Geochemistry, 57, 236-266
(4) Lilyquist, C. & Brill, R.H. 1993. Studies in early Egyptian glass. New York: Metropolitan Museum of Art
(5) Lucas, A. & Harris, J. 1962. Ancient Egyptian materials and industries, 4th edition. London: Edward Arnold
(6) Sloto, R.A., and Reif, A.G., 2011, Distribution of trace metals at Hopewell Furnace National Historic Site, Berks and Chester Counties, Pennsylvania: U.S. Geological Survey Scientific Investigations Report 2011–5014, 79 p
(7) Wallace G. Imhoff , “Gasses Affect Fluidity of Slag”, Iron Trade Review, September 9, 1929, , p. 647-651
For more information and resources about the history and smelting process, visit the Centre County Historical Society at www.centrehistory.org. Both Centre Furnace Mansion in State College, PA, and Curtin Village, in Milesburg, PA, offer tours!