Vertiy А. and Sadivnychyy V. 2020. Vertiy А., Sadivnychyy V. «… and smiled on mouths Ukraine» (letters of Mykhajl Osadchuy to Mykola Daniko. On March, 3, in 1960 year. – on August, 19, in 1971 year). Philological Treatises. 3, 4 (May 2020), 20–32.