Star Trek Lives!
From Fan History Wiki
Star Trek Lives!, edited and written by Jacqueline Lichtenberg, Sondra Marshak and Joan Winston, was published in 1975. This book contained a chapter at the end of the book which examines Star Trek fan fiction and the Kirk/Spock relationship in fan fiction. This book is important because that last chapter helped formed a lot of the modern thought on Slash communities. Scholars still cite this source today.
