| 其他書名 | Four Historic Neighborhoods in Altoona, Pennsylvania |
| 出版 | Historic American Buildings Survey/Historic American Engineering Record, National Park Service, U.S. Department of the Interior, 1990 |
| URL | http://books.google.com.hk/books?id=eqTMjJpkjt4C&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |