- North Carolina State University. Agricultural Policy Institute✖[remove]47
- North Carolina State University. Department of Communication3
- Robinson, Allan3
- Bain, W. C. (William Carter), 1839-19202
- Hook and Sawyer (Charlotte, N.C.)2
- Hook, Charles C. (Charles Christian), 1870-19382
- Shumaker, Ross Edward, 1889-19602
- Upjohn, Hobart Brown, 1876-19492
- North Carolina Cooperative Extension Service1
- United States. Extension Service1