In memoriam prof.dr. T.S. Jansma (1904-1992). BMGN - Low Countries Historical Review, [S. l.], v. 107, n. 2, p. 285–286, 1992. DOI: 10.18352/bmgn-lchr.3501. Disponível em: https://bmgn-lchr.nl/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-107962.. Acesso em: 30 jun. 2024.