Jelaskan Catatan dari Metalurgi besi

Knowles, Anne Kelly. (2013) Mastering Iron: The Struggle to Modernize an American Industry, 1800–1868 (University of Chicago Press) 334 pages

Needham, Joseph (1986). Science and Civilization in China: Volume 4, Part 2; Needham, Joseph (1986). Science and Civilization in China: Volume 4, Part 3.