Data to “The Truth about the Conception of the Blessed Virgin Mary in Sermons by Dominican Friar Peregrine of Opole against the Background of Selected Mediaeval Heritage of Polish Preaching” by Paweł Kiejkowski

<p>The collected data are related to the topic of the development of the science of the conception of Mary in Polish lands. Among the sources used, it is worth mentioning the manuscript of sermons by Piotr of Miłosław stored in the National Library in Warsaw, sources published in digital form (Rozmyśl Meditations) and contemporary editions of sermons: e.g. the collection of sermons by Peregryn of Opole or selected sermons by Jan of Szamotuły (Paterek). The collection also includes bibliographic references to publications devoted to medieval Mariology published in Polish journals and scientific monographs.</p>