- Confession: The Healing Sacrament by Jim Forest
- The Orthodox Faith (4 volume "Rainbow Series" Catechism) by Fr. Thomas Hopko
- Orthodox Christians in North America 1794-1994
- The Rudder (Pedalion) - The commentary of St. Nikodemus is not available online as far as we know, but the canons of the councils (from the Nicene and Post-Nicene Fathers Series) are.
- The Way of the Ascetics by Tito Colliander
- The Orthodox Church by Bishop KALLISTOS (which edition?)
- Many others available here.
- Patristic texts in available here (in many languages) and here.
- Library of Books, Articles and Links on Hesychasm