| 其他書名 | Results of work done during the season of 1893 in forty-eight different factories, located in eight different counties |
| 出版 | New York Agricultural Experiment Station, 1893 |
| URL | http://books.google.com.hk/books?id=JzzV8uTg6aUC&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |