KOSSMANN, E. G.J. Hooykaas, De briefwisseling van J. R. Thorbecke, II, 1833-1836. BMGN - Low Countries Historical Review, [S. l.], v. 95, n. 3, p. 568–570, 1980. DOI: 10.18352/bmgn-lchr.2201. Disponível em: https://bmgn-lchr.nl/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-102379. Acesso em: 26 apr. 2024.