DEN BLAAUWEN, A. L. Herdersgroep, Frankenthal, ca. 1755-1760. The Rijksmuseum Bulletin, [S. l.], v. 37, n. 3, p. 250–252, 1989. DOI: 10.52476/trb.20704. Disponível em: https://bulletin.rijksmuseum.nl/article/view/20704.. Acesso em: 5 feb. 2025.