Perechenʹ semi︠a︡n sbora 1928 goda, predlagaemykh Gosudarstvennym Nikitskim opytnym botanicheskim sadom v obmen (Krym--I︠A︡lta) = Delectus seminum anno 1928 collectorum, quae Hortus Botanicus Nikitensis pro commutatione offert (Tauria--Jalta) (Gos. Nikitskiĭ opytnyĭ botanicheskiĭ sad, 1929)