Agricultural terms as used in the Bibliography of agriculture, from data provided by the National Agricultural Library, U.S. Department of Agriculture.
| Fformat: | Llyfr |
|---|---|
| Iaith: | English |
| Cyhoeddwyd: |
Phoenix, Ariz.
Oryx Press
1978.
|
| Rhifyn: | 2nd ed. |
| Pynciau: |