| 其他書名 | Letter from Samuel B. Ruggles in Behalf of the New York Chamber of Commerce, to the Director of the Mint of the United States, November 28th, 1876 |
| 出版 | U.S. Government Printing Office, 1900 |
| URL | http://books.google.com.hk/books?id=D0_tzwEACAAJ&hl=&source=gbs_api |