| 其他書名 | Hearings Before the United States Senate Committee on Commerce, Sixty-Ninth Congress, First Session, May 3-8, 10, 11, 1926 |
| 出版 | U.S. Government Printing Office, 1926 |
| URL | http://books.google.com.hk/books?id=wsZFAQAAMAAJ&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |