Complex sentence: Albums of Vasylkivsky's works were published in 1970 and 1987, and books about him have been written by O. Nikolaiev (1927), Kostiantyn Slipko-Moskaltsiv (1930), M. Bezkhutry (1954,1967), and I. Ohiievska (1980).
Split into simpler sentences: Albums of Vasylkivsky's works were published in 1970 and 1987. Books about him have been written by O. Nikolaiev (1927), Kostiantyn Slipko-Moskaltsiv (1930), M. Bezkhutry (1954,1967), and I. Ohiievska (1980).