There are 1 book by Rev. John A O'Brien on BookOrb. A strong starting point is Understanding the CATHOLIC FAITH (1949). The bibliography below is in publication order, with series grouped in reading order.
Standalone books
Frequently asked questions
How many books has Rev. John A O'Brien written?
BookOrb lists 1 book by Rev. John A O'Brien.
Where should I start with Rev. John A O'Brien?
A good starting point is Understanding the CATHOLIC FAITH (1949).
What is the Rev. John A O'Brien books in order list?
In publication order: 1. Understanding the CATHOLIC FAITH (1949).