| 其他書名 | Decision at the Forks, Alfred Procter James ; Defense in the Wilderness, Charles Morse Stotz. [Foreword, by Prudence Trimble.]. |
| 出版 | Historical Society of Western Pennsylvania, 1958 |
| URL | http://books.google.com.hk/books?id=HvhbngEACAAJ&hl=&source=gbs_api |