DIETEREN, Remigius. Woord vooraf. Studies over de sociaaleconomische geschiedenis van Limburg, [S. l.], v. 23, p. VII-VIII, 1978. DOI: 10.58484/ssegl.v23i12799. Disponível em: https://testplatform.openjournals.nl/SSEGL/article/view/12799. Acesso em: 12 apr. 2026.