| United States. Patent Office - Patents - 1900
Prior to 1862, when the Department of Agriculture was established, the report on agriculture was prepared and published by the Commissioner of Patents, and forms volume or part ... | |
| United States. Patent Office - Agriculture - 1845
Prior to 1862, when the Department of Agriculture was established, the report on agriculture was prepared and published by the Commissioner of Patents, and forms volume or part ... | |
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