| 其他書名 | Report of the Subcommittee of the Committee on the District of Columbia, House of Representatives, Seventieth Congress, First Session, Appointed December 14, 1927, to Make a Study of the Government of the District of Columbia. May 29, 1928 |
| 出版 | U.S. Government Printing Office, 1928 |
| URL | http://books.google.com.hk/books?id=T6fvt4j9dYYC&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |