| 其他書名 | Commemorating the Fiftieth Anniversary of the Founding of the City of DuBois in Clearfield County, Pennsylvania. Firemen's Convention and Old Home Week, August 14-19, 1922 |
| 出版 | DuBois Volunteer Fire Department, 1922 |
| URL | http://books.google.com.hk/books?id=MGpYAAAAYAAJ&hl=&source=gbs_api |