M. Amara, H. Roland, Gouverner en Belgique occupée. Oscar von der Lancken-Wakenitz – Rapports d’activité 1915-1918. BMGN - Low Countries Historical Review, [S. l.], v. 120, n. 2, p. 316–317, 2005. DOI: 10.18352/bmgn-lchr.6239. Disponível em: https://ojstest.minions.amsterdam/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-107137.. Acesso em: 17 sep. 2024.