1. Ishihara, S. (1917). Tests for Colour-Blindness. The pseudoisochromatic principle behind Part 1.
    2. Stilling, J. (1878); Chibret, M. Luminance noise and chromatic variation, combined in one test by Mollon and Reffin.
    3. Regan, B.C., Reffin, J.P. & Mollon, J.D. (1994). Luminance noise and the rapid determination of discrimination ellipses in colour deficiency. Vision Research 34, 1279–1299. The Cambridge Colour Test, and the Trivector normal limits of 100, 100 and 150 ×10−4 u′v′ used in Part 2.
    4. Rabin, J. et al. Cone contrast test: cone-isolating stimuli in descending contrast, 27.5–1% for L and M and 173–7% for S, with 75 of 100 as the pass mark. Used by the US Air Force.
    5. Farnsworth, D. (1947). The Farnsworth Dichotomous Test for Colour Blindness, Panel D-15. Two or more major crossings is the common fail criterion.
    6. Vingrys, A.J. & King-Smith, P.E. (1988). A quantitative scoring technique for panel tests of color vision. Investigative Ophthalmology & Visual Science 29, 50–63. The moment-of-inertia scoring behind the confusion angle and the confusion and selectivity indices.
    7. Viénot, F., Brettel, H. & Mollon, J.D. (1999). Digital video colourmaps for checking the legibility of displays by dichromats. Color Research & Application 24, 243–252. Used for the simulation panel and to verify each plate vanishes for the matching dichromat.
    8. Birch, J. (2001). Diagnosis of Defective Colour Vision, 2nd ed. Prevalence near 8% of men and 0.4% of women of European descent; deuteranomaly about 69% and protanomaly about 21% of anomalous trichromacy.
    9. Smith, V.C. & Pokorny, J. (1975). Spectral sensitivity of the foveal cone photopigments between 400 and 500 nm. Vision Research 15, 161–171. The cone fundamentals behind the LMS transform.