Book of court records of the town of Kazimierz near Krakow 1528–1541. Will and testament of Bartłomiej Berecci, the builder of the Wawel Castle, 1586 (ANK, Archiwum miasta Kazimierza pod Krakowem, sygn. 29/34, s. 364–365 )
Guarding history. Krakow Town Archives of Former Records 1887–1952 - Treasures