EKKART, R. E. O. De collectie exlibris. The Rijksmuseum Bulletin, [S. l.], v. 32, n. 3, p. 136–140, 1984. DOI: 10.52476/trb.20809. Disponível em: https://bulletin.rijksmuseum.nl/article/view/20809.. Acesso em: 26 dec. 2024.