Lead411.orgArquivado em 3 de abril de 2008, no Wayback Machine. based on Warren, Christian. 'Toxic Purity: The progressive era origins of America’s lead paint poisoning epidemic'. Business History Review. Winter 1999, Vol. 73(4)
naturalpigments.com
«Stack Process White Lead (Old Dutch Method)». Consultado em 24 de fevereiro de 2018. Arquivado do original em 30 de junho de 2009 Commercial supplier, offering original pigments to the conservation and reproduction markets
«Zinc White Problems in Oil Paint». Consultado em 24 de fevereiro de 2018. Arquivado do original em 6 de fevereiro de 2011 The Smithsonian's Museum Conservation Institute exposes long-term problems with zinc white
Lead411.orgArquivado em 3 de abril de 2008, no Wayback Machine. based on Warren, Christian. 'Toxic Purity: The progressive era origins of America’s lead paint poisoning epidemic'. Business History Review. Winter 1999, Vol. 73(4)
«Stack Process White Lead (Old Dutch Method)». Consultado em 24 de fevereiro de 2018. Arquivado do original em 30 de junho de 2009 Commercial supplier, offering original pigments to the conservation and reproduction markets
«Zinc White Problems in Oil Paint». Consultado em 24 de fevereiro de 2018. Arquivado do original em 6 de fevereiro de 2011 The Smithsonian's Museum Conservation Institute exposes long-term problems with zinc white
«Choosing a white in oil colour». winsornewton.com. Consultado em 18 de outubro de 2014. For reasons of toxicity these Lead White colours are only available in tins in the EU.