William Benford Aitken
Louis M. Eilshemius
William Gallogly Moorehead
Gordon Merrit Shrum
Philosophical Institute of Canterbury (Christchurch, N.Z.)
Pío Baroja
Symposium on Mutation and Plant Breeeding ((1960 Cornell University))
L. U. Fontaine
Abhishiktananda Swami
Goldman, Henry.
M. Guérin
Bob McCormick
Michel Claude Guibert
Fazil Ahmet Aykaç