@misc{S._[Stanisław]_z_Opatowa_Magdeburg, author={S. [Stanisław] z Opatowa}, copyright={Jagiellonian University (edition)}, howpublished={online}, language={Latine}, title={Magdeburg Weichbild MS in the Library of the Polish Academy of Sciences at Kórnik, Shelfmark 801, Art. 39}, }