| 其他書名 | A Presentation to a Seminar on Intellectual Freedom and Censorship, Indiana University Graduate Library School, Bloomington, Indiana, 22 February 1984. Supplement |
| 出版 | Patton, 1984 |
| URL | http://books.google.com.hk/books?id=tPvsAAAAMAAJ&hl=&source=gbs_api |