| 其他書名 | The Army Engineers and the Building of Washington, D.C., 1790-1967 |
| 出版 | Historical Division, Office of Administrative Services, Office of the Chief of Engineers, 1979 |
| URL | http://books.google.com.hk/books?id=ZTs8vEiK8msC&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |