Holleman, A. F., Wiberg, E., Wiberg, N. (2007). «Cobalt». Lehrbuch der Anorganischen Chemie, 102nd ed.(en alemán). de Gruyter. pp. 1146–1152. ISBN978-3-11-017770-1.
Henderson, Julian (2000). «Glass». The Science and Archaeology of Materials: An Investigation of Inorganic Materials. Routledge. p. 60. ISBN978-0-415-19933-9.
Westing, Arthur H; Stockholm International Peace Research Institute (1986). «cobalt». Global resources and international conflict: environmental factors in strategic policy and action. pp. 75-78. ISBN978-0-19-829104-6.
Pulak, Cemal (1998). «The Uluburun shipwreck: an overview». International Journal of Nautical Archaeology27 (3): 188-224. doi:10.1111/j.1095-9270.1998.tb00803.x.
Rehren, Th. (2003). «Aspects of the Production of Cobalt-blue Glass in Egypt». Archaeometry43 (4): 483-489. doi:10.1111/1475-4754.00031.
Georg Brandt first showed cobalt to be a new metal in: G. Brandt (1735) "Dissertatio de semimetallis" (Dissertation on semi-metals), Acta Literaria et Scientiarum Sveciae (Journal of Swedish literature and sciences), vol. 4, pages 1–10. See also: (1) G. Brandt (1746) "Rön och anmärkningar angäende en synnerlig färg — cobolt" (Observations and remarks concerning an extraordinary pigment — cobalt), Kongliga Svenska vetenskapsakademiens handlingar (Transactions of the Royal Swedish Academy of Science), vol.7, pages 119–130; (2) G. Brandt (1748) “Cobalti nova species examinata et descripta” (Cobalto, a nuevo elemento examinado y descrito), Acta Regiae Societatis Scientiarum Upsaliensis (Journal of the Royal Scientific Society of Uppsala), 1st series, vol. 3 , pages 33–41; (3) James L. Marshall and Virginia R. Marshall (Spring 2003) "Rediscovery of the Elements: Riddarhyttan, Sweden,"The Hexagon (official journal of the Alpha Chi Sigma fraternity of chemists), vol. 94, no. 1, pages 3–8.
