Department circulars
| Author | : United States. Department of Agriculture |
| Publisher | : |
| Total Pages | : 1048 |
| Release | : 1922 |
| Genre | : |
| ISBN | : |
Farm Machinery and Hardware
| Author | : |
| Publisher | : |
| Total Pages | : 662 |
| Release | : 1928 |
| Genre | : Agricultural machinery industry |
| ISBN | : |
