Conversation so far:
What was Havelock Ellis's view on sexual impulse in youth?
Havelock Ellis views children can experience sexuality differently in terms of time and intensity.
How does Havelock Ellis feel children experience sexuality differently?
Havelock Ellis states that, even in the early development and lower function levels of the genitalia, there is a wide range of variation in terms of sexual stimulation.
Does Havelock Ellis think that the youth are more sexually active than older people?
Havelock Ellis claims that sexual self-excitement is known to happen at an early age.
Why did Havelock Ellis come to the conclusion that sexual self-excitement is known to happen at an early age?
Havelock Ellis references Robie’s findings that boys’ first sex feelings appear between the ages of five and fourteen. For girls, this age ranges from eight to nineteen.
Were Havelock Ellis's claims that many people of both sexes can recall having agreeable sensations with the genitalia as a child more in females or males?

Question: Who were the other authors?
Self-contained rewrite: Who were the authors that Havelock Ellis references in his studies of sexual impulse in youth?