SCHOLTEN, Frits. Johan Gregor van der Schardts zelfportret, circa 1573. The Rijksmuseum Bulletin, [S. l.], v. 49, n. 4, p. 310–325, 2001. DOI: 10.52476/trb.20037. Disponível em: https://testplatform.openjournals.nl/the-rijksmuseum-bulletin/article/view/20037. Acesso em: 11 apr. 2026.