David Fairchild
Anthony U. Osagie
Edward S. Ayensu
Unknown Author
W. O. Hawley
Luisa Eugenia Navas Bustamante
Eizi Matuda
S. Epasinghe
Balai Penelitian Tanaman Kacang-kacangan dan Umbi-umbian (Indonesia)
Donald Gilbert Coursey
Hidekazu Toyohara
Jean Adanguidi
Wm. R. Prince & Co
Ogunsola John Igue
Food and Agriculture Organization of the United Nations
Álvaro Alves da Silva
Gerald Blunden
J. R. Jungner
I. H. Burkill