http://www.usrf.org/news/010308-castrati.html

Follow the links on the page, quite a bit of interesting reading, historical and medical, there.

http://www.usrf.org/ not found.

This is a great link, lots of information that I already knew through reading as a kid but in resent years most of this has been more hear say, its nice to finally see a good post on eunuchs of the past and present.

It's still there, I just checked.