- North Carolina Cooperative Extension Service5
- Goodman, John W.2
- Graeber, R. W. (Robert Walter), 1888-19672
- Arey, John A., 1887-19851
- Campbell Heating Co.1
- Darch, Douglas1
- Deere & Company1
- Fox, John W.1
- Kime, P. H. (Paul Hanner), 1893-19611
- Kirby, S. J.1
- North Carolina Agricultural Experiment Station1
- North Carolina State College1
- North Carolina State University -- Students1
- North Carolina State University -- Students -- History1
- North Carolina State University. College of Agriculture and Life Sciences1