| 其他書名 | The Beneficial Improvement of the St. Lawrence River by the United States and Canada which Will Give Ocean-going Commerce Access to the Great Lakes |
| 出版 | Great Lakes-St. Lawrence Tidewater Assoc., 1923 |
| URL | http://books.google.com.hk/books?id=QkVEAQAAMAAJ&hl=&source=gbs_api |