He is also known as writer of an important monumental (14 large-scale books!) reminiscence named Historické spisování ("Historical writings") in which he comprehensively describe the causes and initiation of the Bohemian Revolt, the 1st phase of the Thirty Years' War. His great annals (written between 1637-1651) are focused especially on the events of the years 1608-1619 on the territory of the Czech lands.