| Title |
Publisher |
ISSN |
Program (Institution) |
| Extension circular / |
The Service |
|
|
| Extension circular / |
State College of Washington, Extension Service |
|
|
| Extension circular / |
G.P.O. |
|
|
| Extension circular / |
|
2473-5639 |
|
| Extension circular / |
The Service |
|
|
| Extension circular / |
[publisher not identified] |
|
|
| Extension circular / |
University of Hawaii, Agricultural Extension Service |
|
|
| Extension circular / |
Iowa State College of Agriculture and Mechanic Arts |
|
|
| Extension circular / Cooperative Extension Service, College of Agriculture, Pennsylvania State University |
The Service |
1057-2449 |
|
| Extension circular. |
Utah State University, Extension Service |
|
|
| Extension circular. |
|
|
|
| Extension circular. |
|
|
|
| Extension circular. |
The Service |
|
|
| Extension circular. |
Extension Service, College of Agriculture, University of Arkansas : |
|
|
| Extension circular. |
|
|
|
| Extension circular. |
Extension Division, South Dakota State College |
|
|
| Extension circular. |
University of Nebraska, College of Agriculture, Extension Service |
|
|
| Extension circular. |
Extension Service, Oregon State University |
|
|
| Extension circular. |
Kansas State Agricultural College, Division of College Extension |
|
|
| Extension circular. |
|
|
|
330
331
332
333
334
