Career
1512 Introductio in Ptolomei Cosmographiam, with maps of America
1513 Biernat of Lublin"s Raj dusny or Hortulus Animae ((Garden of the Soul), considered the first book printed entirely in Polish. 1514 Orthographia seu modus recte scribendi et legendi Polonicum idioma quam utilissimus, the first Grammar of Polish language
After having published about 80 works of high quality, he had to close his shop, working for his competitor Johann Haller for some time.