| 其他書名 | Hearings Before the United States Senate Committee on the Judiciary, Subcommittee on Patents, Trademarks, and Copyrights, Eighty-Ninth Congress, Second Session and Ninetieth Congress, First Session and Eighty-Ninth Congress, First Session |
| 出版 | U.S. Government Printing Office, 1968 |
| URL | http://books.google.com.hk/books?id=OtELwQEACAAJ&hl=&source=gbs_api |