While Latin, Czech and German language were used as official languages in towns and cities, only in the 1550s (during the Protestant Reformation) did records with Polish names start to appear.
Kui ladina, tšehhi ja saksa keelt kasutati ametliku keelena linnades, hakkasid alles 1550. aastatel (Reformatsiooni ajal) ilmuma ülestähendused Poola nimedega.