Narbey Khoren Archbishop & Ter Psack Hyrapiet Jacob Priest. (1900). A Catechism of christian instruction: According to the doctrine of the Holy Church of Armenia, being the second part of "The course of religious knowledge" by the Most Reverend Archbishop Khoren Narbey. Edinburgh Press.

Narbey Khoren Archbishop and Ter Psack Hyrapiet Jacob Priest. A Catechism of Christian Instruction: According to the Doctrine of the Holy Church of Armenia, Being the Second Part of "The Course of Religious Knowledge" by the Most Reverend Archbishop Khoren Narbey. Calcutta: Edinburgh Press, 1900.

Narbey Khoren Archbishop and Ter Psack Hyrapiet Jacob Priest. A Catechism of Christian Instruction: According to the Doctrine of the Holy Church of Armenia, Being the Second Part of "The Course of Religious Knowledge" by the Most Reverend Archbishop Khoren Narbey. Edinburgh Press, 1900.