Unknown Author
Herman E. Bierman
A. P. Spencer
H. P. Stuckey
H.M. Taylor (Firm)
William Robert Dean Black
Marilyn Hirsh
John R. Winston
W. T. Macoun
Philip L. Breakiron
Hướng Dương.
United States. Department of Agriculture. Division of Marketing and Marketing Agreements
Emil Rauchenstein
J. W. Strowbridge
Palestine. Department of Agriculture and Forests
Thelma Gaitán Navarrete
Pedigreed Seed Company (Hartsville, S.C.)