LIEFKES, F. Twee sterkasten . The Rijksmuseum Bulletin, [S. l.], v. 15, n. 4, p. 131–134, 1967. DOI: 10.52476/trb.21192. Disponível em: https://bulletin.rijksmuseum.nl/article/view/21192. Acesso em: 15 aug. 2026.