Source Studies: Commentations Volume 59 of Source Studies features articles such as "Medieval convent seals from the Cistercian monastery in Lubiąż – chronology, iconography and the question of the typologists’ authorship," "On the Polish edition of Francesco Negri's Liberum Arbitrium and the "foreign" praise of Polish Reformation writers," and "Silesian seal of Jan Hincza from Rogów from 1435. A contribution to the history of the Działosz coat of arms," among others.
