Ivanova Karina Andriivna, Khirina Anna Oleksandrivna and Balabay Yana Volodymyrivna 2020. THE CONTRIBUTION OF MYKOLA SUMTZOV IN THE STUDY OF ALEXANDR PUSHKIN LEGACY (BASED ON KHARKIV MATERIALS). World Science. 3, 5(57) (May 2020), 20-24. DOI:https://doi.org/10.31435/rsglobal_ws/31052020/7084.