The collection of the Old Pinakothek in Munich contains paintings from the panel and wall painting studio of Jan Polak:
- the panels of the main altarpiece from the abbey in Weihenstephan, executed between 1483 and 1489. They depict the miracle with the bear, the moment of the death of St. Corbinian, Christ on the Mount of Olives, the nailing of Christ to the cross, St. Benedict - patriarch of Western monasticism, the Disputation of St. Stephen,
. - Painting from 1494 depicting Landfried, Waldram and Eliland - founders of the monastery at Benediktbeuern,
- Portrait of Sigismund - Duke of Bavaria from around 1480.