- Johnson, William H.71
- North Carolina State University. Department of Biological and Agricultural Engineering55
- North Carolina State University -- Research27
- North Carolina State College. Department of Agricultural Engineering12
- Leary, Stan M.11
- Oxford Tobacco Research Station10
- Carreras Rothmans Ltd.9
- Henson, Wiley H., Jr.5
- Hassler, Francis J.4
- Mohapatra, Subhas Chandra4
- Temple, David4
- Campbell, John S.3
- Chang, Changsoo3
- Imperial Tobacco Group3
- Cooper, Robert A.2
- Export Leaf Tobacco Co.2
- Imperial Tobacco Company of Great Britain and Ireland2
- Lal, Darshan2
- Liggett & Myers Tobacco Company2
- R.J. Reynolds Tobacco Company2