| 其他書名 | Hearings Before the United States Senate Committee on Printing, Seventy-Sixth Congress, First Session, on July 21, 1939 |
| 出版 | U.S. Government Printing Office, 1940 |
| URL | http://books.google.com.hk/books?id=6LhFAQAAMAAJ&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |