In connection with the Waardenburg commemoration, Dr. Sergio Arias has submitted the following correspondence.
D000015:Abnormalities, Multiple / Q000266:history*; D002648:Child; D005826:Genetics, Medical / Q000266:history; D006666:History of Medicine; D006801:Humans; D008297:Male; D009426:Netherlands; D009885:Ophthalmology / Q000266:history; D014849:Waardenburg Syndrome / Q000266:history*