| 其他書名 | A Compilation of Data Concerning the Birds which Occur Between 45 ̊and 46 ̊N. Latitude and 111 ̊and 112 ̊W. Longitude, with Current Lists for Idaho, Montana, Wyoming, Impinging Montana Counties and Yellowstone National Park |
| 出版 | Skaar, 1969 |
| URL | http://books.google.com.hk/books?id=jPNPAAAAYAAJ&hl=&source=gbs_api |