- North Carolina Agricultural Experiment Station585
- North Carolina Cooperative Extension Service31
- Sandhills Research Station (Jackson Springs, N.C.)16
- Fox, John W.12
- North Carolina Agricultural Extension Service6
- North Carolina Agricultural Research Service5
- Morrison, Cameron A.4
- Jeter, F. H. (Frank Hamilton), 1891-19553
- Agronomy Research Reports (North Carolina Agricultural Experiment Station)2
- Border Belt Tobacco Research Station (Whiteville, N.C.)2
- Central Crops Research Station (Clayton, N.C.)2
- Clement, Sheldon Leroy2
- Mountain Research Station (Waynesville, N.C.)2
- North Carolina State College Farm2
- Oxford Tobacco Research Station2
- Piedmont Experiment Station (Salisbury, N.C.)2
- Baver, L. D. (Leonard David), 1901-1
- Caram, Ed1
- Coastal Plain Research Station (Willard, N.C.)1
- Cummings, Ralph W., 1911-20011