St. Gregory of Nyssa on the Human Soul: Its Nature, Origin, Relation to the Body, Faculties, and Destiny.
By John P. Cavarnos
Edited and revised by Constantine Cavarnos
Sacred Catechism of the Orthodox Church
By Demetrios N. Vernardakis
Translated from the original Greek by Claude Delaval Cobham
Edited and augmented by Constantine Cavarnos