Article by Geoffrey A. Farthing on the differences in terminology between H.P. Blavatsky and C.W. Leadbeater.
http://www.katinkahesselink.net/metaphys/etheric.htm
This online book records the clairvoyant investigations done by C.W. Leadbeater on Jiddu Krishnamurti's past lives.
http://www.geocities.com/livesofalcyone/