NIEMEIJER, J. W. Johann Oswald Harms als etser van ‘Alcune inventione de Ruini’, innovator of epigoon? . The Rijksmuseum Bulletin, [S. l.], v. 22, n. 2-3, p. 105–110, 1974. DOI: 10.52476/trb.21034. Disponível em: https://bulletin.rijksmuseum.nl/article/view/21034.. Acesso em: 10 mar. 2025.