- North Carolina Cooperative Extension Service171
- North Carolina State University. College of Agriculture and Life Sciences42
- North Carolina College of Agriculture and Mechanic Arts -- Students -- Correspondence41
- North Carolina State University -- Students -- History32
- Schaub, I. O.32
- North Carolina Agricultural Extension Service29
- Blair, E. C. (Enos Clarkson), 1892-197523
- Jeter, F. H. (Frank Hamilton), 1891-195520
- North Carolina College of Agriculture and Mechanic Arts17
- Upjohn, Hobart Brown, 1876-194917
- North Carolina Farm Bureau16
- North Carolina Agricultural Experiment Station15
- North Carolina State University -- Faculty14
- North Carolina State College13
- North Carolina State University -- Administration12
- Siddell Studio12
- Alpha Zeta11
- Farm and Home Week11
- Shumaker, Ross Edward, 1889-196011
- Bain, W. C. (William Carter), 1839-192010