C B · C. O'Brien · O'Brien
Stationery Office · Waterford County Council
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Archaeological Inventory of County Offaly | 978-0-7076-3819-5 (0-7076-3819-4) | 1997 | Caimin O'Brien |
| Guidelines for the Care, Conservation and Recording of Historic Graveyards in Co. Waterford | 978-0-9532022-7-0 (0-9532022-7-5) | 2009 | " |
| The Medieval Churches of County Offaly | 978-0-7076-5081-4 (0-7076-5081-X) | 1998 | Elizabeth Fitzpatrick · Caimin O'Brien |