"Kybalion: The Definitive Edition with Commentary"
Portuguese edition by Pensamento-Cultrix, São Paulo.
(Translated by Jefferson Luiz Camargo and Rosabis Camaysar)
"Yoga and New Thought: An Essay on a letter by Premananda Baba Bharati Unearthed in Matsugaoka Bunko”
The Annual Report of Researches of the Public Interest, Matsugaoka Bunko Foundation (30: 93-117)
(Co-authored with and Translated by Professor Shin’ichi Yoshinaga)
Chapter in Reiki: o Energie a Echilibrului "Reiki: An Energy of Balance"
Mihai Albu (ed.), Meditative Arts, Bucharest.
(Translated by Paula Ramasescu)
"Kybalion: Esoteric Knowledge of the World"
Romanian edition by Lifestyle Publishing, Brașov.
(Translated by Lustina Cojocaru)