EKKART, R. E. O. Bartholomeus Breenbergh en Dirck Metius. The Rijksmuseum Bulletin, [S. l.], v. 31, n. 4, p. 248–254, 1983. DOI: 10.52476/trb.20838. Disponível em: https://bulletin.rijksmuseum.nl/article/view/20838.. Acesso em: 5 feb. 2025.