The origin of cultivated plants : [presented by title before the International Congress of plant sciences, section of agronomy, (Ithaca, New York, aug. 20, 1926)

Vavilov, N. I. The origin of cultivated plants : [presented by title before the International Congress of plant sciences, section of agronomy, (Ithaca, New York, aug. 20, 1926)] / N. I. Vavilov = [Происхождение культурных растений / Н. И. Вавилов] // Proceedings of the International Congress of plant sciences (Ithaca, New York, august 16–23, 1926). – Menasha (Wisconsin) : George Banta Publishing Company, 1929. – Vol. 1. – P. 167–169