SCHEPENS, L. M.R. Thielemans, W. Vandewoude, Le roi Albert au travers de ses lettres inédites 1882-1916. BMGN - Low Countries Historical Review, [S. l.], v. 99, n. 2, p. 260–262, 1984. DOI: 10.18352/bmgn-lchr.2491. Disponível em: https://bmgn-lchr.nl/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-102704. Acesso em: 19 apr. 2024.