1. Ågren M (ed) (1998) Iron-making societies, early industrial development in Sweden and Russia, 1600–1900. Berghahn Books, Oxford, p 368
2. Akanuma H (2006) Changes in iron use during the 2nd and 1st millennia B.C. at Kaman- Kalehöyük, Turkey: composition of iron artifacts from stratum III and stratum II. Anatolian Archaeol Stud 15:207–222
3. Akanuma H (2008) The significance of Early Bronze Age iron objects from Kaman-Kalehöyük, Turkey, Anatolian Archaeology Studies, 17, pp 313–320. http://www.jiaa-kaman.org/pdfs/aas_17/AAS_17_Akanuma_H_pp_313_320.pdf
4. Anon (1843) Penny magazine of the society for the diffusion of useful knowledge, pp 323–325
5. Anon (1852) The visitor’s hand book through the manufactories of Birmingham, 2nd edn. Cornish, Birmingham