| 其他書名 | Hearings Before the Committee on Immigration and Naturalization, House of Representatives, Sixty-sixth Congress, Second Session ... |
| 出版 | U.S. Government Printing Office, 1920 |
| URL | http://books.google.com.hk/books?id=_R07AAAAYAAJ&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |