| 其他書名 | Great Difficulties and Dangers Encountered by Captains Lewis and Clarke; Discoveries of the Headwaters of the Columbia River; Graphically Told |
| 出版 | Superior Printing Company, 1915 |
| URL | http://books.google.com.hk/books?id=_2MqAAAAYAAJ&hl=&source=gbs_api |