@misc{Płaszczyńska-Herman_Katarzyna_Unknown,
 author={Płaszczyńska-Herman, Katarzyna},
 howpublished={online},
 type={article},
 title={Unknown Books of King Sigismund Augustus in the Congregation of the Mission Library in Stradom},
 keywords={Sigismund Augustus’ library, bookbinding, early printed books, monastery libraries, supralibros},
}