- Johnson, William H.20
- North Carolina State University. Department of Biological and Agricultural Engineering17
- North Carolina State College. Department of Agricultural Engineering10
- Oxford Tobacco Research Station8
- Hassler, Francis J.6
- North Carolina State University -- Research6
- WRAL-TV6
- North Carolina Agricultural Experiment Station5
- Henson, Wiley H., Jr.4
- North Carolina Cooperative Extension Service4
- Suggs, Charles W.4
- American Society of Agricultural Engineers3
- Campbell, John S.3
- Holman, A. T.3
- R.J. Reynolds Tobacco Company3
- Splinter, William E.3
- Strickland, Verne3
- Wilkinson, Ray, 1925-20043
- BulkTobac2
- Carreras Rothmans Ltd.2