| 其他書名 | A Structural History : Fort Sumter National Monument |
| 出版 | Division of History, Office of Archeology and Historic Preservation, National Park Service, U.S. Department of the Interior, 1968 |
| URL | http://books.google.com.hk/books?id=H8Udp1VW1DEC&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |