Address to S.S. Hamchenko from the Office of the Indispensable Secretary of the Ukrainian Academy of Sciences dated by March 30, 1929 regarding the prospect of publishing a collection of articles of the Commission for Scientific Research of the Dniprelstan territory and a draft of S.S. Hamchenko’s response dated by April 11, 1929.

Draft opinion of M. Ya. Rudynskyi for the archaeological department of the AUAC on the estimate for research in Nadporizhzhia, submitted to the Department of Scientific Institutions (the Ukrainian Main Department of Scientific Institutions) of the People’s Commissariat of Defense of the USSR by the head of research prof. D.I. Yavornytskyi