TERLAU, K. Die Geschichte des Kölner Wallraf-Richartz-Museums 1933-1945. AKMB-news: Informationen zu Kunst, Museum und Bibliothek, [S. l.], v. 7, n. 3, p. 11–12, 2009. DOI: 10.11588/akmb.2001.3.258. Disponível em: https://journals.ub.uni-heidelberg.de/index.php/akmb-news/article/view/258. Acesso em: 6 mai. 2024.