| 其他書名 | Dumbarton Oaks Park, Rock Creek Park |
| 出版 | U.S. Department of Interior, National Park Service, National Capital Region, Cultural Landscape Program, 2000 |
| URL | http://books.google.com.hk/books?id=6LWP44vaIqwC&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |