| 其他書名 | His Letters and Papers, 1836-1947 ; with an Annotated Reprint of His "Scenes in the Rocky Mountains, and in Oregon, California, New Mexico, Texas, and the Grand Prairies" |
| 出版 | A.H. Clark, 1956 |
| URL | http://books.google.com.hk/books?id=zGHjAAAAMAAJ&hl=&source=gbs_api |