SCHATBORN, P. Tekeningen van R. N. Roland Holst. The Rijksmuseum Bulletin, [S. l.], v. 27, n. 2, p. 68–85, 1979. DOI: 10.52476/trb.20901. Disponível em: https://bulletin.rijksmuseum.nl/article/view/20901.. Acesso em: 10 mar. 2025.