- Weaver, David S. (David Stathem), 1896-196626
- North Carolina State Fair23
- North Carolina State University. Department of Biological and Agricultural Engineering23
- Glover, John W. (John Womble), 1928-20
- North Carolina Cooperative Extension Service20
- North Carolina State College. Department of Agricultural Engineering20
- Watkins, Rupert18
- Splinter, William E.14
- Crampton and Deitrick11
- Beasley, Eustace O. (Eustace Orland)10
- Johnson, William H.10
- North Carolina State College10
- Giles, G. W. (George Wallace), 1910-20038
- Leary, Stan M.8
- Ferguson, J. C.7
- North Carolina State University -- Research7
- North Carolina Agricultural Experiment Station6
- North Carolina State College Farm6
- Siddell Studio6
- Everglades Experiment Station5