[Only a few of the castrated singers became famous--surgeons of questionable ethics performed the illegal interventions].
Nordlander
N B
NB
D002369:Castration / Q000266:history*; D002648:Child; D005058:Eunuchism / Q000266:history*; D005060:Europe; D049670:History, 17th Century; D049671:History, 18th Century; D006801:Humans; D008297:Male; D008512:Medicine in the Arts; D009146:Music / Q000266:history*; D010151:Paintings / Q000266:history; D011627:Puberty; D014827:Vocal Cords / Q000254:growth & development / Q000502:physiology; D014831:Voice; D014833:Voice Quality