- Johnson, William H.✖[remove]10
- North Carolina State College. Department of Agricultural Engineering6
- Hassler, Francis J.5
- Henson, Wiley H., Jr.5
- North Carolina State University -- Research4
- American Society of Agricultural Engineers1
- Bowen, Henry D.1
- Giles, G. W. (George Wallace), 1910-20031
- Keller, Kenneth Raymond1
- McDonald, Patrick H.1
- North Carolina State College. School of Agriculture1
- Oxford Tobacco Research Station1
- Puckett, H. B.1
- Splinter, William E.1
- Suggs, Charles W.1
- Tobacco Science1
- United States. Department of Agriculture1
- Watkins, Rupert1