Ravin, James G.; Stern Alexandra Minna (July 2010). "Lucien Howe, hereditary blindness, and the eugenics movement". Arch. Ophthalmol. 128 (7): 924–30. doi:10.1001/archophthalmol.2010.137. PMID20625057.
nih.gov
pubmed.ncbi.nlm.nih.gov
Ravin, James G.; Stern Alexandra Minna (July 2010). "Lucien Howe, hereditary blindness, and the eugenics movement". Arch. Ophthalmol. 128 (7): 924–30. doi:10.1001/archophthalmol.2010.137. PMID20625057.