Carl W. Hall
Thomas Barksdale Hutcheson
Harold George Sanders
Unknown Author
W.B. Mallory & Sons Co
Edward F. Dibble (Firm)
P.L. Rohrer & Bro., Inc
Saunders Seed Company
Arnulfo Landaverde
M. R. Cooper
Jaw-Kai Wang
Nand Kumar Fageria
I. C. Onwueme
Geo. Keller and Sons
Corneli Seed Company (Saint Louis, Mo.)
Elwood A. Brickbauer
Hollis Lee
Николай Иванович Вавилов
India. Directorate of Economics and Statistics.