BETTS, John H.; GILL, Margaret A.V.; SÜRENHAGEN, Dietrich; WAETZOLDT, Hartmut. Kleinere europäische Sammlungen. Heidelberg: Propylaeum,2018. DOI: 10.11588/propylaeum.336.464. Disponível em: https://books.ub.uni-heidelberg.de/propylaeum/catalog/book/336.. Acesso em: 3 mai. 2024.