| 其他書名 | Jefferson National Expansion Memorial, St. Louis, Missouri |
| 出版 | National Park Service, Midwest Field Area, Great Plains Systems Support Office, Cultural Resources, 1996 |
| URL | http://books.google.com.hk/books?id=qNHHdM25Oj0C&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |