Selected: CO. LAOIS, CASTLETOWN (MOUNTRATH), DE LA SALLE RETREAT HOUSE
| Name: | BYRNE, WILLIAM HENRY, & SON |
| Building: | CO. LAOIS, CASTLETOWN (MOUNTRATH), DE LA SALLE RETREAT HOUSE |
| Date: | 1910 |
| Nature: | Chapel block |
| Refs: | Drawings, 1910, formerly in office archives of W.H. Byrne & Son |
| Name: | FOLEY & O'SULLIVAN |
| Building: | CO. LAOIS, CASTLETOWN (MOUNTRATH), DE LA SALLE RETREAT HOUSE |
| Date: | 1929 |
| Nature: | Additions. |
| Refs: | IB 71, 22 Jun 1929, 579 |