Lysty ukraïnsʹkoho istoryka Myrona Korduby u fondach viddilu rukopysiv Biblioteky Nacionalʹnoho instytutu imeni Ossolinsʹkych u Vroclavi (Polʹšča) = Letters of Ukrainian scientist Myron Korduba manuscript department of the Library at Ossolinski National Institute in Wroclaw (Poland) - Telʹvak, Vitalij Vasylʹovyč 1974-; Poliščuk, Jurij Adamovyč ca. 20./21. Jh (2020)