SCHÄFER, H.-M. Das Warburg-Haus in Hamburg. AKMB-news: Informationen zu Kunst, Museum und Bibliothek, [S. l.], v. 5, n. 1, p. 21–23, 2009. DOI: 10.11588/akmb.1999.1.292. Disponível em: https://journals.ub.uni-heidelberg.de/index.php/akmb-news/article/view/292. Acesso em: 1 mai. 2024.