There are 1 book by Sean S. O'Ceallaigh on BookOrb. A strong starting point is From Liffeey to Jordan (1959). The bibliography below is in publication order, with series grouped in reading order.
Standalone books
Frequently asked questions
How many books has Sean S. O'Ceallaigh written?
BookOrb lists 1 book by Sean S. O'Ceallaigh.
Where should I start with Sean S. O'Ceallaigh?
A good starting point is From Liffeey to Jordan (1959).
What is the Sean S. O'Ceallaigh books in order list?
In publication order: 1. From Liffeey to Jordan (1959).