DRAGT, G. A. Country seat De Schaffelaar at Barneveld. Bulletin KNOB, [S. l.], v. 91, n. 3-4, p. 97–107, 1992. DOI: 10.7480/knob.91.1992.3-4.480. Disponível em: https://bulletin.knob.nl/index.php/knob/article/view/Dragt97. Acesso em: 19 may. 2024.