Anna Zajchowska-Bołtromiuk, PhD. is an assistant professor at the Cardinal 
Stefan Wyszynski in Warsaw (Faculty of Humanities, Institute of 
Classical Studies). Working mainly on late medieval sermons as well as 
hagiography and papal documents. Currently involved in a number of 
ongoing projects such as the edition of Liber miraculorum of Szymon of 
Lipnica, Monumenta Vaticana Poloniae (Boniface IX, Calixt III) and a 
critical edition of De formatione et reformatione Ordinis Preadictorum 
of Henry Bitterfeld.