English
"The Art of Aromatherapy" by Robert Tisserand
"Power vs Force" by David Hawkins
"Siddhartha" by Herman Hesse
McKenzie, Eleanor. The Reiki Bible: the Definitive Guide to Healing with Energy. Sterling, 2009.
Petter, Frank Arjava. Reiki Fire. Lotus Press, 1997.
“What Is Reiki?” Reiki | What Is Reiki | Benefits of Reiki | UK & Worldwide,
www.reikiassociation.net/what-is-reiki.php.
Romanian
Laur Manea. Manual Usui Shiki Reiki Ryoho Mikao Usui, Bucharest 2017
Italian
Edizione Riza Psicosomatica by Dot Raffaele Morelli