| 其他書名 | Hearings Before the Subcommittee on the Committee on Appropriations, House of Representatives, Eighty-fourth Congress, Second Session. Post Office Department |
| 出版 | U.S. Government Printing Office, 1956 |
| URL | http://books.google.com.hk/books?id=DmccAAAAMAAJ&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |