JANSEN, H. H. Baillieu, Tongeren van Romeinse civitas tot middeleeuwse stad. BMGN - Low Countries Historical Review, [S. l.], v. 96, n. 2, p. 357–357, 1981. DOI: 10.18352/bmgn-lchr.2249. Disponível em: https://bmgn-lchr.nl/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-102428. Acesso em: 23 apr. 2024.