1. Blue mono-cone monochromacy. A new color vision defect;Blackwell;J. Opt. Soc. Am.,1957
2. Blue mono-cone monochromacy. Comparison with rod monochromacy;Blackwell;J. Opt. Soc. Am.,1959
3. Visual function of “typical” and “atypical” congenital achromatopsia, abstract;Blackwell;Vision Res.,1961
4. Rod and cone receptor mechanisms in typical and atypical congenital achromatopsia;Blackwell;Vision Res.,1965
5. π1 cone monochromatism;Alpern;Arch. Ophthalmol.,1965