Borg, Barbara E. „Peter and Paul Ad Catacumbas: A Pozzolana Mine Reconsidered“. In The Economy of Death: New Research on Collective Burial Spaces in Rome from the Late Republic to the Late Roman Time: Panel 7.2, herausgegeben von Norbert Zimmermann und Thomas Fröhlich, 45–58. Archaeology and Economy in the Ancient World: Proceedings of the 19th International Congress of Classical Archaeology, Cologne/Bonn 2018 38. Heidelberg: Propylaeum, 2022. Zugegriffen Mai 10, 2024. https://books.ub.uni-heidelberg.de/propylaeum/catalog/book/894/chapter/11634.