Agricultural Experiment Station (East Lansing, Mich.) | Körperschaft |
East Lansing, Mich. USA |
53968-5 | |
University of Minnesota. Agricultural Extension Division | Körperschaft |
Minneapolis, Minn. USA |
53978-8 | |
Mississippi State University | Körperschaft |
State College, Miss., Mississippi State, Miss. USA |
53980-6 | |
Extension Service (Lincoln, Neb.) | Körperschaft |
Lincoln, Neb. USA |
53994-6 | |
Montana Agricultural Experiment Station | Körperschaft |
Bozeman, Mont. USA |
53996-X | |
Montana State University (Bozeman, Mont.). Cooperative Extension Service | Körperschaft |
Bozeman, Mont. USA |
53997-1 | |
Cook College | Körperschaft |
New Brunswick, NJ USA |
54007-9 | |
Cooperative Tree Improvement Program | Körperschaft |
Raleigh, NC USA |
54026-2 | |
Hardwood Research Program | Körperschaft |
Raleigh, NC USA |
54031-6 | |
North Carolina State College of Agriculture and Engineering. Department of Agricultural Economics | Körperschaft |
Raleigh, NC USA |
54032-8 |