A general index of the agricultural reports of the Patent Office, for twenty-five years, from 1837 to 1861 : and of the Department of Agriculture, for fifteen years, from 1862 to 1876
1879
A general index of the agricultural reports of the Patent Office, for twenty-five years, from 1837 to 1861 : and of the Department of Agriculture, for fifteen years, from 1862 to 1876
United States. Department of Agriculture
1879
1. Index of subjects.--2. Index of scientific names: pt. 1. Birds; pt. 2. Fishes; pt. 3. Insects; pt. 4. Mammals; pt. 5. Plants