| 其他書名 | A Summary of the Study Committee Report to the Board of Trustees, the National Trust for Historic Preservation |
| 出版 | National Trust for Historic Preservation, 1973 |
| URL | http://books.google.com.hk/books?id=lQRQAAAAMAAJ&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |