Online book on "Wandering Bishops" (Episcopi Vangantes) throughout the ages, from the time of Yeshua to the present. Includes info on many evolutionary developments such as the Rosicrucians, Theosophy (& Leadbeater - p. 25 of 119)
http://www.hometemple.org/WanBishWeb%20Complete.pdf http://www.hometemple.org/WanBishWeb%20Complete.pdf