EN
In the article the author examines sources for the study of the heritage of Greek and Roman Catholic monasteries kept in the Manuscript Institute of the Vernadsky National Library of Ukraine. The heritage of the Catholic monasteries in Ukraine is represented by e.g. manuscripts from the Dominican monastery in Lubar as well as Reformati monasteries in Dederkaly, Zhornishche and Kremenets. The heritage of Greek Catholic Basilian monasteries comprises catalogues of books from monasteries in Vladimir, Lubar and Pochaiv, as well as chronicles and documents from monasteries in e.g. Kaniv, Lubar, Niskeniche, Multsi and Bilostok.