Background:

Where does the information come from?
Reiki training the Usui way: how Usui Sensei taught, what he taught, what he didn't teach
A comprehensive and detailed History of Reiki
Origins of the the Reiki Symbols

'Gakkai' Reiki Techniques:

Hatsurei Ho
Byosen Reikan Ho
Reiji Ho
Gyoshi Ho
Koki Ho
Uchi-te, Oshi-te and Nade-te
Keteuki Kokan
Genetsu Ho
Seiheki Chiryo
Nentatsu Ho
Hanshin Chiryo
Enkaku Chiryo
Shashin Chiryo
Jaki Kili Joka Ho
Mawashi
Also, the 'Laser beam technique'

Original Usui Techniques:

Daily energy exercises
Reiju empowerments
Self-treatment methods
Approach to Distant Healing
Use of Kotodama for self-development and self-healing
Use of Kotodama when treating others and in distant healing
Treatment method
Intuitive working
Crystal method