Conversation so far:
What did Havelock Ellis write about sterilization?
Havelock Ellis was strongly opposed to the idea of castration for eugenic purposes.
Did Havelock Ellis write a book about sterilization?
In his publication The Sterilization of the Unfit, Havelock Ellis argued that even institutionalization could not guarantee the complete prevention of procreation between the unfit.

Question: How did he share his views on sterilization?
Self-contained rewrite: How did Havelock Ellis share his views on sterilization?