Well-preserved the Ontario Heritage Foundation's manual of principles and practice for architectural conservation
| Prif Awdur: | |
|---|---|
| Awdur Corfforaethol: | |
| Fformat: | Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
Toronto, Erin, Ontario
Stoddart Boston Mills Press
1992.
|
| Rhifyn: | Revised edition. |
| Pynciau: |


