VELEMA, Wyger R.E. Diederick Slijkerman, Wonderjaren. Gijsbert Karel van Hogendorp. Wegbereider van Nederland. BMGN - Low Countries Historical Review, [S. l.], v. 129, n. 4, p. review 78, 2014. DOI: 10.18352/bmgn-lchr.9761. Disponível em: https://bmgn-lchr.nl/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-110148.. Acesso em: 22 dec. 2024.