 Van Leyden's style was very diverse, making it difficult to attribute paintings to him with certainty.Most of this works were attributed to other artists, and only in the 20th Century were a number of paintings attributed to him, including a triptych of the Last Judgment which was recovered in Valenciennes in 1969, and a painting now in the Rijksmuseum, "The Calling of St. Anthony", which had been attributed to Lucas van Leyden until 1960.According to the Leiden city records, Aertgen van Leyden lived and worked in Leiden from 1521 to 1564.