- North Carolina Agricultural Experiment Station37
- Sandhills Research Station (Jackson Springs, N.C.)17
- Fox, John W.13
- Method Experiment Station (Raleigh, N.C.)13
- North Carolina Cooperative Extension Service11
- North Carolina State University. Department of Communication9
- Oxford Tobacco Research Station9
- Mattox, John8
- Graeber, R. W. (Robert Walter), 1888-19677
- Siddell Studio6
- Everglades Experiment Station5
- Jeter, F. H. (Frank Hamilton), 1891-19555
- Morrison, Cameron A.4
- North Carolina State University -- History4
- Border Belt Tobacco Research Station (Whiteville, N.C.)3
- Central Crops Research Station (Clayton, N.C.)3
- Dearing, Charles3
- Mountain Research Station (Waynesville, N.C.)3
- North Carolina State College. Department of Horticulture3
- Piedmont Experiment Station (Salisbury, N.C.)3