EN
The article analyzes the content of Leon Wasilewski's publications about the past and prospects of Polish-Ukrainian relations in the Second Polish Republic on the pages of "Biuletyn Polsko-Ukrainski" (1932-1938), which played a significant role in the history of development of Ukrainian-Polish relations. Leon Wasilewski was considered as a "First Ukrainophiles" in the Second Polish Republic's journalistic circles in the interwar period. Special attention is paid to Leon Wasilewski's views on the problems of both nations' coexistence in one state, as reflected in the pages of the publication.