There are 1 book by Robert David O'Brien on BookOrb. A strong starting point is The critical mind of Gerard Manley Hopkins (1942). The bibliography below is in publication order, with series grouped in reading order.
Standalone books
Frequently asked questions
How many books has Robert David O'Brien written?
BookOrb lists 1 book by Robert David O'Brien.
Where should I start with Robert David O'Brien?
A good starting point is The critical mind of Gerard Manley Hopkins (1942).
What is the Robert David O'Brien books in order list?
In publication order: 1. The critical mind of Gerard Manley Hopkins (1942).