Cole, Geoff. “Attentional capture by colour and motion in cerebral achromatopsia.” 20 June 2003.
         
Emory Health Sciences. "A clear, molecular view of how human color vision evolved." ScienceDaily. ScienceDaily, 18 December 2014. 

Jackson, F., 1986, “What Mary Didn't Know”, Journal of Philosophy 83: 291–295

Nida-Rümelin, Martine, "Qualia: The Knowledge Argument", The Stanford Encyclopedia of Philosophy (Summer 2015 Edition), Edward N. Zalta (ed.),  <https://plato.stanford.edu/archives/sum2015/entries/qualia-knowledge/>.

Sacks, Oliver. An Anthropologist on Mars: Seven Paradoxical Tales. Picador, 2012.

Ramachandran, V. S. The Tell-Tale Brain: a Neuroscientist's Quest for What Makes Us Human. W. W. Norton, 2012.

“Colour Blindness.” Colour Blind Awareness, www.colourblindawareness.org/colour-blindness/.

“How Your Eyes Work.” American Optometric Association, www.aoa.org/patients-and-public/resources-for-teachers/how-your-eyes-work.         

1. von Arx, S.W., et al. "Anosognosia for cerebral achromatopsia A longitudinal case study." Neuropsychologia, vol. 48, no. 4, 2010, pp. 970-977. OhioLINK Electronic Journal Center, doi:10.1016/J.NEUROPSYCHOLOGIA.2009.11.018.