GRAF, A. „Ein kleiner Weltenbrand“. AKMB-news: Informationen zu Kunst, Museum und Bibliothek, [S. l.], v. 13, n. 1, p. 77–79, 2009. DOI: 10.11588/akmb.2007.1.569. Disponível em: https://ahnp.ub.uni-heidelberg.de/journals/akmb-news/article/view/569. Acesso em: 9 mai. 2026.