- Splinter, William E.17
- North Carolina State University. Department of Biological and Agricultural Engineering13
- Suggs, Charles W.7
- WRAL-TV7
- North Carolina State College. Department of Agricultural Engineering6
- North Carolina State University -- Research6
- Johnson, William H.5
- Wilkinson, Ray, 1925-20045
- American Society of Agricultural Engineers4
- Campbell, John S.3
- Giles, G. W. (George Wallace), 1910-20033
- North Carolina Agricultural Extension Service3
- Oxford Tobacco Research Station3
- R.J. Reynolds Tobacco Company3
- Strickland, Verne3
- Carreras Rothmans Ltd.2
- Imperial Tobacco Group2
- Keller, Kenneth Raymond2
- North Carolina State Fair2
- Tobacco Science2