| 其他書名 | An Address Delivered by Dr. Charles W. Dabney, Jr., Assistant Secretary of Agriculture, Before the Farmers' Institute, Held Under the Auspices of the Virginia State Board of Agriculture, at Ashland, Va., June 2, 1896 |
| 出版 | U.S. Department of Agriculture, Office of the Secretary, 1896 |
| URL | http://books.google.com.hk/books?id=uEqyAQAACAAJ&hl=&source=gbs_api |