

The Mystery of the Seven Vowels in Theory and Practice.Originally published in French as L'ésotérisme musical en France, 1750-1950 also published in Japanese. Rochester: University of Rochester Press London: Boydell & Brewer, 1995. London: Thames & Hudson, 1987 Rochester, Vt.: Inner Traditions also published in French, German, and Japanese partly published in Spanish. The Spiritual Dimension of Music from Antiquity to the Avant-Garde. London: Thames & Hudson, 1981 San Francisco: Harper & Row also published in Greek and Japanese. Mystery Religions in the Ancient World.London: Thames & Hudson, 1979 also published in French, German, Spanish, and Japanese.


Athanasius Kircher.A Renaissance Man and the Quest for Lost Knowledge.London: Thames & Hudson Boulder Shambhala, 1979 also published Grand Rapids: Phanes Press, and in French, Greek, Spanish and Japanese. Hermetic Philosopher and Surveyor of Two Worlds.
